24) A new species of aquatic chordate is discovered that closely resembles an ancient form. might be a marine leech, a hagfish, or a lamprey. Title: PowerPoint Presentation What do all cartilaginous fish have in common? In addition to these, it will probably have which of the following characteristics? lichens are not purely mutualistic relationships. Brachiola must be harmful to male mosquitoes, but not to female mosquitoes. If the teacher wanted to show the students what a lophophore is and how it works, the teacher would point out a feeding _____. Mammals and birds eat more often than reptiles. Ostrachodermi is an extinct class of agnate fishes, considered as the most ancient vertebrate. animal would have trouble _____. D) gill slits for respiration. Do fish members of the phylum Chordata have an appendix? Which of the following could be considered the most recent common ancestor of living tetrapods?A) a sturdy-finned, shallow-water lobe-fin whose appendages had skeletal supports similar to those of terrestrial vertebratesB) an armored, jawed placoderm with two pairs of appendagesC) an early ray-finned fish that developed bony skeletal supports in its paired finsD) a salamander that had legs supported by a bony skeleton but moved with the side-to-side bending typical of fishes. Listed below are four adaptations of terrestrial vertebrates. a. evolved into lungs b. are a component of the lateral line system c. are required for fish to exchange gases with the surrounding water d. are present in both bony and cartilaginous fishes e. help bony fish maintain buoyancy, A typical sponge is best described as which of the following: A. a sessile suspension feeder with bilateral symmetry B. a slow-moving carnivore with no true tissues or symmetry C. a sessile suspension feeder with no true tissues or body symmetry D. a slow, A scientist discovers a putative new life form and notes that the creature's body is bilaterally symmetrical and consequently satisfies the criteria for defining life in which of the following categories? D) terrestrial, Which characteristic is common to all the modern representatives of all major reptilian lineages (turtles, lepidosaurs, crocodilians, and birds)? 2003-2023 Chegg Inc. All rights reserved. Answer: B 10) A new species of aquatic chordate is discovered that closely resembles an ancient form. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. To which of the following group does the fungus belong? In what respect do hominins differ from all other anthropoids? A) a dorsal, hollow nerve cord B) pharyngeal clefts These offspring develop after being released by the parent plant. Are zebra fish bony or cartilaginous fish? B) use its lateral line system An 8th grade Earth Science class sparked Iannas interest in science. Kris says that it is a giant oligochaete worm; Shaun suggests it is a legless amphibian; Kelly proposes it belongs to a snake species that is purely fossorial (lives in a burrow). Is Craniata a class or a subphylum of the phylum Chordata? Dll is a gene known to direct limb development in the fruit fly. are the group of fungi that have, at present, no known sexual stage. Suppose researchers obtained mitochondrial DNA samples from the H. floresiensis remains, amplified a 1000-base-pair sequence via PCR, and compared it to that of several currently living H. sapiens native to Indonesia, North Africa, and North America. D) Homo floresiensis is most closely related to Australopithecus afarensis or A. africanus. the extant lancelets are the immediate ancestors of the fish. stop swimming and still _____. Which extant chordates are postulated to be most like the earliest chordates in appearance? E) portions of the inner ear. Also, the feeding mechanism is suspension-feeding which refers to the intake of food materials present in the water. A trend first observed in the evolution of the earliest tetrapods was _____. type of body cavity (coelom vs. pseudocoelom vs. no coelom). B) the formation of compound eyes Which of the following represents the strongest evidence that two of the three middle ear bones of mammals are homologous to certain reptilian jawbones? B) a mammal resembles an ancient form. Cephalochordates and vertebrates have a hollow, dorsal nerve cord, pharyngeal gill slits, and a notochord. The multicellular condition of animals and fungi seems to have arisen _____. associated with _____. What phylum do cartilaginous fish belong to? B) eyes on the front of the face The development of an amniotic egg and internal fertilization allowed A new species of aquatic chordate is discovered that closely resembles an ancient form. 1 Which of the following is NOT a diagnostic feature of the Chordata? ectotherms, able to run quickly but unable to fly. Planarians lack dedicated respiratory and circulatory systems because _____. C) turtles D) use its swim bladder as a respiratory organ. The microsporidian should not be harmful to other insects. Much of this diversity is a result of the evolution of novel ways to _____. B) the yolk sac The evolution of animal species has been prolific (the estimates go into the millions and tens of millions). C) 2 and 3 What advantage does this group of fungi have over other fungi because of this capability? D) Tetrapods were no longer tied to the water for reproduction. Are members of the phylum Chordata carnivores? Why do skates and rays have flattened bodies, while sharks are torpedo shaped? Feathers initially evolved in a role D) a swim bladder, Arrange these groups in order from most inclusive (most general) to least inclusive (most specific). Browse over 1 million classes created by top students, professors, publishers, and experts. When assessing a client with partial-thickness burns over 60% of the body, which finding should the nurse report immediately? D) lungfish. osteichthyans5. have larvae which are motile and move via the motion of cilia. The evolution of similar insulating skin coverings such as fur, hair, and feathers in mammals and birds is a result of _____. B) 5, 4, 1, 2, 3 What do all deuterostomes have in common? There are three major groups of mammals, categorized on the basis of stop swimming and still. They should indicate limited adaptation to life on land. Fossil fungi date back to the origin and early evolution of plants. What do animals ranging from corals to monkeys have in common? What should be true of fossils of the earliest tetrapods? What type of feeders are members of the phylum Platyhelminthes? During chordate evolution, what is the sequence (from earliest to most recent) in which the following structures arose? of each of the other hominin species. Based on these characteristics, it is likely that this species will also have no jaws, as ancient aquatic chordates, such as the jawless fish known as Agnathans, lacked jaws and had similar features. Chordate pharyngeal slits appear to have functioned first as _____. Which structure can be used for feeding and gas exchange? following traits shared by mammals and birds best explains this habit? B) The upright posture and enlarged brain of humans evolved separately. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. reptiles stimulated expansion into terrestrial habitats. There are three major groups of mammals, categorized on the basis of A) a sturdy-finned, shallow-water lobe-fin whose appendages had skeletal supports similar to those of terrestrial vertebrates, B) an armored, jawed placoderm with two pairs of appendages, C) an early ray-finned fish that developed bony skeletal supports in its paired fins, D) a salamander that had legs supported by a bony skeleton but moved with the side-to-side bending typical of fishes, E) an early terrestrial caecilian whose legless condition had evolved secondarily, Our Experts can answer your tough homework and study questions. An operculum covers which body part of a bony fish? But, humans are the ultimate apex predator. These offspring develop after being released by the parent plant. A new species of aquatic chordate is discovered that closely resembles an ancient form. D) It increased the surface area for respiration and feeding. |Character|Lancelet (Out-group}|Lamprey|Goldfish|Salamander|Turtle|Leopard|Chimp. D) vertebrae. copyright 2003-2023 Homework.Study.com. In addition to these, it will probably have which of the following characteristics? If she catches one of these organisms and observes closely, perhaps dissecting the organism, she should find _____. ectotherms, able to run quickly but unable to fly. D) The upright posture and enlarged brain of humans evolved separately. is a characteristic only of truly terrestrial animals with no need to return to water at any stage of the life cycle? Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships? appendages evolved separately in protostomes and deuterostomes. tetrapods were no longer tied to the water for reproduction. A) a rasping tongue Their bodies were covered by squama, bony plates, and shields. A) jaws adapted for feeding B) teeth osteichthyans5. In what respect do hominins differ from all other anthropoids? At least one of these has been found in all species of eumetazoan D) diurnal activity, What group of mammals have (a) embryos that spend more time feeding through the placenta than the mothers nipples, (b) young that feed on milk, and (c) a prolonged period of maternal care after leaving the placenta? In addition to these, it will probably have which of the following characteristics? The presence of a swim bladder allows the typical ray-finned fish to stop swimming and still _____. D) All vertebrates have jaws with which to catch their prey. A) jaws D) They should show evidence of internal fertilization. Healthy corals are brightly colored because they____. Which is the oldest fossil: mammal, fish, reptile or amphibian? A) It allowed for smaller body size. D) have some embryonic development outside the uterus. C) H. floresiensis and H. sapiens probably lived on Flores concurrently, and H. sapiens killed and consumed H. floresiensis. Suppose you traveled back in time and located the first animals to The phylum is divided into three subphylums, Cephalochordata, Urochodata, and Vertebrata. tetrapods, Internal fertilization, leathery amniotic egg, and skin that resists H. floresiensis is estimated to have 4) A new species of aquatic chordate is discovered that closely resembles an ancient form. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. A) H. floresiensis and H. sapiens probably did not live on Flores concurrently. Question In addition to these, it will probably have which of the following characteristics? Label the five ambulacrae, the pores in the ambulacrae through which tube feet extend, and the tubercles on which spines attach. A) They must not belong to the respiratory system. you find a new species of worm and want to classify it. Tetrapods were no longer tied to the water for reproduction. C) viviparous reproduction. A) Compare the type of prey hunted by H. floresiensis to that hunted by each of the other hominin species. they are not efficient sites of gas exchange between air and blood. Which strategy seems most likely for female bats to use to achieve the same goal? C) give birth to underdeveloped young, and subsequently carry them in a pouch that has teats 2. amphibians movement of the eyes to the front of the head. In addition to these, it will probably have which of the following characteristics? Smoos are strange animals with one of three shapes: round, cuboidal, or pyramidal. c. a hydrostatic skeleton. Which feature excludes the organism from possibly being a leech? At least one of these has been found in all species of eumetazoan A) A large brain is not necessarily required for toolmaking. D) sites of respiration. mouth surrounded by a sucker, and two small eyes. Why do adult urochordates (tunicates) lack notochords, even though larval urochordates have them? The 1-meter-long organism has smooth skin, which appears to be segmented. In what ways do seafloor abyssal marine organisms get their food? C) movement of the eyes to the front of the head Answer: The correct answer is B. What kind of aquatic ecosystem typically forms along coastlines? hominin species H. floresiensiswas most closely related? Work with our consultant to learn what to alter. B) ovoviviparous reproduction B) Lancelets do not have segmental muscles. You can specify conditions of storing and accessing cookies in your browser, A new species of aquatic chordate is discovered that closely resembles an ancient form. O It made them able to take advantage of new food sources. Ianna Gilbert, Junior at Brandeis University. What would be the most effective method of reducing the incidence of blood flukes in a human population? B) Human ancestors were virtually identical to extant chimpanzees. To prefer the first hypothesis on the basis of parsimony requires the assumption that _____. Chordates: The Voyage to Us Bones, Brawn, and Brains, Gail Grabowsky Kaaialii, Marine Biologist. Kris brings it back to the lab at the field station, where it is a source of puzzlement to the class. The claws (fangs) on the foremost trunk segment of centipedes have a function most similar to that of _____. A trend first observed in the evolution of the earliest tetrapods was _____. C) Human evolution has occurred within an unbranched lineage. A natural predator of the crown-of-thorns sea star is a mollusc called the Giant Triton, Charonia tritonis. Which of the following is the process of getting oxygen from the environment to the tissues of the body? 1 sup down there 2 1) Chordate pharyngeal slits appear to have functioned first as A) the digestive system's opening. B) They are similar in shape to the reptilian jawbones. If in the future the current molecular evidence regarding animal origins is further substantiated, what will be true of any contrary evidence regarding the origin of animals derived from the fossil record? . A) aid in swimming; adults are sessile and thus no longer propel themselves. In addition to these, it will probably have which of the following characteristics? Ianna jumped in! D) primates. Which one of these mollusk groups can be classified as suspension feeders? results in heterokaryotic or dikaryotic cells. The heartworms that can accumulate within the hearts of dogs and other mammals have a pseudocoelom, an alimentary canal, and an outer covering that is occasionally shed. Internal fertilization, leathery amniotic egg, and skin that C) Use molecular analysis to look for the protein keratin. Mammals and birds eat more often than reptiles. How did the evolution of the jaw contribute to diversification of early vertebrate lineages? It has two tiny eyes that are hard to see because they seem to be covered by skin. Cnidarian larvae possess anterior-posterior, left-right, and dorsal-ventral aspects. If a tunicate's pharyngeal gill slits were suddenly blocked, the A new species of aquatic chordate is discovered that closely resembles an ancient form. 36) Which graph properly depicts the relationship between the amount of gas in the swim bladder and the density of the fish? C) four-chambered heart A fungal spor germinates, giving rise to a mycelium that grows outward into the soil surrounding the site where the spore originally landed. Researchers studying this gene have found that it is also expressed in developing appendages in animals from many other phyla, supporting the hypothesis that all animal appendages may be homologous. C) It made additional food sources available. To speed the arrival of conditions necessary for plant growth, the billionaire might be advised to aerially sow what over the island? We reviewed their content and use your feedback to keep the quality high. If you think of the earthworm body plan as a drinking straw within a pipe, where would you expect to find most of the tissues that developed from endoderm? B) fishes These spines, unlike those of most other sea stars, contain a potent toxin. Why is this concern misplaced? C) 5, 4, 2, 1, 3 Chordates are animals of the Chordata phylum that share similar characteristics. It allowed for smaller body size. What group of cartilaginous fish includes skates and sawfish? An 8th grade Earth Science class sparked Ianna's interest in science. Terry catches a ray-finned fish from the ocean and notices that attached to its flank is an equally long, snakelike organism. Brachiola should kill the mosquitoes before the malarial parasite they carry reaches maturity. Which of the following statements about human evolution is correct? Question 35 1 pts You are part of a research team that discovers a new species of aquatic chordate. Which What do all craniates have that earlier chordates did not have? B) stiffen their bodies; in adults, the notochord is replaced by a column of bone. The correct answer is B. B) no jaws C) the formation of structures from the neural crest D) its gills, If a ray-finned fish is to both hover (remain stationary) in the water column and ventilate its gills effectively, then what other structure besides its swim bladder will it use? D) These bones can be observed to move from the evolving jaw to the evolving middle ear in mammalian embryos. Some of the other characteristics include bilateral symmetry, a post-anal tail, and endostyle. Brown et al. The location of this opening toward the bottom of the skull is significant in evolutionary biology for what reason? A) a larger brain allowed vertebrates to reproduce away from water. their fins have skeletal and muscular structures similar to amphibian limbs. The diagnostic feature of Chondrichthyes is _____. probably have which of the following characteristics? These eggs probably belonged to a(n) _____. contributed to a hydrostatic skeleton, allowing greater range of motion. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension -feeding mode of nutrition. Chordate pharyngeal slits appear to have functioned first as. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. What is believed to be the most significant result of the evolution of the amniotic egg? much larger than itself. At which stage of a basidiomycetes life cycle would reproduction be halted if an enzyme that prevented the fusion of hyphae was introduced? Which shark structure is closest in function to a swim bladder full of gas? Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. O A fossil of an extinct species of mammal is found to have morphological characteristics that are similar to those of a living nocturnal mammal. 5. primates A) lampreys fungi secrete extracellular enzymes that can break down large molecules. All animals, except for _____, have either radial or bilateral symmetry. following traits shared by mammals and birds best explains this habit? Which of the following should be true of the smaller cell until it reaches the size of the larger cell? What adaptations do fish have for living in water? D) Humans and other apes are the result of disruptive selection in a species of chimpanzee. Which of the following are the only extant animals that descended directly from dinosaurs? A trend first observed in the evolution of the earliest tetrapods was _____. And, did you know that the oceanic manta rays have the largest brain of all fish? a) flatworms b) sponges c) roundworms d) mollusks. Arthropods invaded land about 100 million years before vertebrates did so. B) 5 Dlx genes vertebrate diversification? A. mollusca B. crustacea C. nematoda D. platyhelminthes. external armor of bony plates, no paired lateral fins, and a Chordataphylum which includes animals with a notochord, pharyngeal slits, a post-anal tail, dorsal hollow nerve cord, and an endostyle or thyroid. This site is using cookies under cookie policy . Which of the following genetic processes may be most helpful in accounting for the Cambrian explosion? A) legs B) shortened hind limbs B) Birds are more related to mammals than to dinosaurs. Whiteflies are common pest insects found on cotton, tomato, poinsettia, and many other plants. Which of these, if true, would support the claim that the ancestral cnidarians had bilateral symmetry? confirm the identity of sponges as basal animals. C) It occurred as a result of the change to a bipedal stance. D) Examine the teeth. It has the following characteristics: Why is it important to understand human sexuality issues?. Which of the following is most likely to be aquatic? A) none, symmetry is not a basic characteristic o. Which of the following can be found in the mesohyl of a sponge? If true, this finding would _____. It is believed that the coelacanths and lungfish represent a crucial link between other fishes and tetrapods. a slow-moving or sessile lifestyle in the adult. For which of the following hypotheses is the procedure described a potential test? The endostyle is embedded in the floor of the pharynx. a notochord and a dorsal, hollow nerve cord. B) Tetrapods can now function with just lungs. Animals are thought to have evolved from flagellated protists similar to modern. Microsporidians should infect mosquito larvae, rather than mosquito adults. B) no jaws. This critter could be _____. Most members of which of the following groups are most closely B) Marsupiala Suppose a researcher for a pest-control company developed a chemical that inhibited the development of an embryonic mosquitos endodermal cells. allow the centipede to retain more moisture in its tissues. A) lack nipples amphibians3. Experts are tested by Chegg as specialists in their subject area. Quickly and professionally. B) Their fins have skeletal and muscular structures similar to amphibian limbs. ences in diet. List the predominant body plan (acoelomate, pseudocoelomate, or coelomate) for members of each protostome phylum and discuss. With which of the following statements would a biologist be most inclined to agree? the mouth and anus form the ends of the inner tube. A new species of aquatic chordate is discovered that closely A) a well-developed series of bony vertebrae surrounding the spinal cord, B) a well-developed series of cartilaginous vertebrae surrounding the spinal cord, C) a tube of cartilage (surrounding the notochord) with dorsal projections on both sides of the spinal cord, D) a notochord, located underneath the spinal cord. The organism could potentially be a crab, a shrimp, a barnacle, or a bivalve. All rights reserved. A) 2, 3, 4, 1, 5 Female birds lay their eggs, thereby facilitating flight by reducing weight. A) Cephalochordata B) adult Urochordata C) Amphibia D) Reptilia E) Chondrichthyes Answer: A Topic: Concept 34.1 Skill: Knowledge 7) Which are extinct organisms that may represent a transition between cephalochordates and vertebrates? have some embryonic development outside the uterus. An organism that is radially symmetric has many well-developed head regions.TrueFalse. Which of the following characteristics would enable you to argue that it is more closely related to a flatworm than it is to a roundworm? Which of the following organisms would you expect to have the largest surface-area-to-volume ratio? What anatomical change made depth perception possible? Which of the following characteristics is shared by a hagfish and a lamprey? they have a lateral line that is sensitive to vibrations. an extensive surface area well suited for invasive growth and absorptive nutrition. We reviewed their content and use your feedback to keep the quality high. The presence of a lophophore in a newly discovered species would suggest that the species _____. The most important concern of grape farmers who engage in this practice should be that the _____. Which of the following is NOT a diagnostic feature of the Chordata? What are the major evolutionary trends that developed among major vertebrate groups, specifically those that allowed for the transition from aquatic to terrestrial life? Instead, gas enters and leaves the swim bladder via special circulatory mechanisms within the wall of the swim bladder. A) effectively circulate its blood the mosquito would have trouble digesting food, due to impaired gut function. In addition to these, it will probably have which of the following characteristics? Terry will find that they are composed of the same protein found in tetrapod _____. How do fish fit into the chordate cladogram? the anterior pharyngeal gill slits. Iridium, which is common in meteorites but rare on Earth, is found in sedimentary rock that contains the last appearance of many species in the fossil record. If the pond organisms are larvae, rather than adults, Sarah should expect them to have all of the following structures, EXCEPT _____. If a lung were to be found in a mollusc, where would it be located? A) Sharks are more closely related to the tubelike lampreys than skates and rays are. Why are bony fish and aquatic amphibians ammonotelic in nature? D) Modern humans are the only human species to have evolved on Earth. When a mycelium infiltrates an unexploited source of dead organic matter, what are most likely to appear within the food source soon thereafter? D) an endoskeleton of calcified cartilage, Arrange these taxonomic terms from most inclusive (most general) to associated with a wet or moist environment? Which of the following statements about deuterostomes is false? These hominins were small (approximately 1 meter tall) with small What do these data suggest? B) 3, 2, 4, 5, 1 Whatever its ultimate cause(s), the Cambrian explosion is a prime example of _____. Which of the following statements about vertebrates is true? D) a notochord and a dorsal, hollow nerve cord, All chordates studied to date, except tunicates, share a set of _____. A) the shelled, amniotic egg How are bony fish different from cartilaginous fish? The attached organism has no external segmentation, no scales, a round mouth surrounded by a sucker, and two small eyes. Animals are more closely related to plants than to fungi. A) Human ancestors were virtually identical to extant chimpanzees. Do members of the phylum Chordata filter feed? Compare how modern jawless fishes and cartilaginous fishes feed. Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent? How did the evolution of the jaw contribute to diversification of Terry catches a ray-finned fish from the ocean and notices that The protostome developmental sequence arose just once in evolutionary history, resulting in two main subgroupsLophotrochozoa and Ecdysozoa.
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