Microsporidians should infect mosquito larvae, rather than mosquito adults. Do members of the phylum Nematoda and Arthropoda have suspension feeders? This E-mail is already registered with us. Terry saved some of the tooth-like objects within the hagfishs round mouth to analyze their composition in his mentors biochemistry research lab. Also suppose H. floresiensis were found to differ from the average Indonesian H. sapiens in 28 base pairs, from the average North African H. sapiens in 51 base pairs, and from the average North American H. sapiens in 53 base pairs, while two randomly selected H. sapiens differed from each other in an average of 21 base pairs. C) Lancelets live only in saltwater environments. Which structure can be used for feeding and gas exchange? It is believed that the coelacanths and lungfish represent a crucial link between other fishes and tetrapods. What adaptations do animals that live in the Atlantic or deep-sea have? You identify it as a(n): O a cartilaginous fish O a bony fish O a snake a jawless fish Question 36 1 pts You worked super hard in your biology classes and were rewarded with a research grant to look for fossils of the ancestors of . stop swimming and still _____. Solved Question 35 1 pts You are part of a research team - Chegg Explain your answer. All rights reserved. E) cartilaginous pipe surrounding notochord. the larger surface area allows for more material to be transported through the cell membrane. The remains of H. floresiensis were found alongside handmade stone tools and the remains of dwarf elephants that also inhabited the island, suggesting that H. floresiensis was able both to make tools and to coordinate the hunting of animals much larger than itself. If true, this finding would _____. the body cavity evolved before the lophophore. associated with _____. Did the first members of the phylum Chordata have arms or fins? Explanation: Ostrachodermi is an extinct class of agnate fishes, considered as the most ancient vertebrate. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a. Which of the following represents the strongest evidence that two of the three middle ear bones of mammals are homologous to certain reptilian jawbones? What advantage does this group of fungi have over other fungi because of this capability? Feathers initially evolved in a role associated with _____. D) a well-developed notochord, A new species of aquatic chordate is discovered that closely resembles an ancient form. Which would be the most feasible method of figuring out to which other hominin species H. floresiensis was most closely related? which of the following lines of evidence would allow you to classify the worm as a nematode and not an annelid? What type of feeders dominate the deep sea benthos? Which of the following statements about human evolution is correct?A) Modern humans are the only human species to have evolved on Earth.B) Human ancestors were virtually identical to extant chimpanzees.C) Human evolution has occurred within an unbranched lineage.D) The upright posture and enlarged brain of humans evolved separately. 34) Internal fertilization, leathery amniotic egg, and skin that resists drying are characteristics of _____. anterior pharyngeal gill slits. Terry thinks it B) suspension-feeding devices C) an . suspension-feeding mode of nutrition. C) birds point during their life cycle? C) components of the jaw Two competing hypotheses to account for the increase in the number of Hox genes from the last common ancestor of bilaterians to the last common ancestor of insects and vertebrates are: (1) a single duplication of the entire four-gene cluster, followed by the loss of one gene, and (2) three independent duplications of individual Hox genes. resists drying are characteristics of, The presence of a swim bladder allows the typical ray-finned fish to Ostrachodermi is an extinct class of agnate fishes, considered as the most ancient vertebrate. Why are bony fish and aquatic amphibians ammonotelic in nature? How did the evolution of the jaw contribute to diversification of If humans are to safely and effectively use Brachiola gambiae as a biological control to reduce human deaths from malaria, then how many of the following statements should be true? What are some characteristics of cartilaginous fish? Upon inhalation, air first flows into posterior air sacs, then into the lungs, and then into anterior air sacs on the way to being exhaled. Why do skates and rays have flattened bodies, while sharks are torpedo shaped? It made additional food sources available. What is the major feature in these fish in support of this hypothesis? What does this finding suggest? 36) Which graph properly depicts the relationship between the amount of gas in the swim bladder and the density of the fish? You found that these animals were tree-dwelling ectotherms, able to run quickly but unable to fly. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Based on your understanding of animal diversity, reproduce the following characteristics table and complete it by allocating derived characteristics to the following animals. These results suggest instead that _____. Most extant cnidarians have two Hox genes, except Nematostella (of -catenin fame), which has three Hox genes. D) 2, 1, 5, 3, 4, Which clade does NOT include humans? It allowed for smaller body size. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. Which extant chordates are postulated to be most like the earliest On the back of your skull you can feel a small bump, below which is an opening where the spinal cord enters the skull. Primate evolution and behavior, such as hunting skills, have been directed in part by the development of depth perception. Some of the other characteristics include bilateral symmetry, a post-anal tail, and endostyle. A new species of aquatic chordate is discovered that closely resembles an ancient form. C) gill slits for respiration. Test 3 Flashcards by Kayley Carsey | Brainscape D) endothermy, The earliest known mineralized structures in vertebrates are associated with _____. Arrange the following in order from largest to smallest. Which extant chordates are postulated to be most like the Why is this concern misplaced? D) respiration. A) enhanced depth perception You also noticed In addition to these, it will probably have which of the following characteristics? Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Which of the following characteristics would support your hypothesis that the animal is a sea star and not another type of echinoderm? D) They should show evidence of internal fertilization. These are the manta and devil rays two manta species and seven devil ray species. B) Homo How are bony fish different from cartilaginous fish? compare rates of predation on whitefly nymphs coated with a nontoxic dye vs. undyed whitefly nymphs, 1) undergo complete metamorphose2) have jointed appendages3) molt4) have segmented bodies5) have an exoskeleton or cuticle. E) All of these are essential for a completely terrestrial existence. Terry thinks it might be a marine leech, a hagfish, or a lamprey. 3. a similar adaptation to a shared lifestyle or body plan Our experts can answer your tough homework and study questions. To which animal reproductive strategy is seed production most comparable? Which characteristic is shared by cnidarians and flatworms? A) a mineralized, bony skeleton their fins have skeletal and muscular structures similar to amphibian limbs. B) presence of four walking limbs The claws (fangs) on the foremost trunk segment of centipedes have a function most similar to that of _____. Brown et al. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension -feeding mode of nutrition. E) portions of the inner ear. In addition to these, it will probably have which of the following characteristics? Larvae use notochords to______. In addition to these characteristics, it will probably have which of the following characteristics? B) its lateral line system Which of the following is a characteristic of all chordates at some point during their life cycle? It has the following characteristics: C) its caudal (tail) fin During chordate evolution, what is the sequence (from earliest to most recent) in which the following structures arose? What should be true of fossils of the earliest tetrapods? Then teachers in high school told her about doing research in the Hudson River with the Lamont-Dougherty Earth Observatory of Columbia University where the focus was climate and earth sciences. Chapter 34 Practice - Subjecto.com View the full answer Final answer Transcribed image text: Which extant chordates are postulated to be most like the earliest chordates in appearance? D) feed multiple embryos internally using placentas, Unlike eutherians, both monotremes and marsupials _____. Small, fishlike marine invertebrates, they probably are the closest living relatives of the vertebrates. D) osteichthyans, Primate evolution and behavior, such as hunting skills, have been directed in part by the development of depth perception. C) opposable big toe C) H. floresiensis and H. sapiens probably lived on Flores concurrently, and H. sapiens killed and consumed H. floresiensis. They should indicate limited adaptation to life on land. Evidence of which structure or characteristic would be most surprising to find among fossils of the Ediacaran fauna? All other trademarks and copyrights are the property of their respective owners. Protostomes invade terrestrial environments. You also noticed A knowledgeable zoologist should predict that the adults of this species would also feature _____. What will you be looking for? 4) A new species of aquatic chordate is discovered that closely resembles an ancient form. Animals are thought to have evolved from flagellated protists similar to modern. B) They are similar in shape to the reptilian jawbones. A) 5, 1, 4, 2, 3 There are others in many different ecosystems, like the sunflower star in nearshore waters off Alaska. created 5 years ago by rileyrenner 2,080 views List View Show: All Cards 75 1 1) Which of the following is a characteristic of all chordates at some point during their life cycle? Which of the following are the only extant animals that descended A) none, symmetry is not a basic characteristic o. 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. tubular reabsorption moves substances ______ the blood. Evolution and paleontology. Arthropods invaded land about 100 million years before vertebrates did so. It has two tiny eyes that are hard to see because they seem to be covered by skin. Cephalochordates and vertebrates have a hollow, dorsal nerve cord, pharyngeal gill slits, and a notochord. Yet, everyone was elated when one of the students noticed a small colonial hydrozoan growing in a part of the tank far from the location of the original colony. B) Recent work in molecular systematics supports the hypothesis that lancelets are the basal clade of chordates. early vertebrate lineages? Refer to the paragraph on Brown et al. A) Look for the presence of milk-producing glands. Do bony and cartilaginous fish have bladders? 2003-2023 Chegg Inc. All rights reserved. They undergo incomplete metamorphosis into winged adults. These hominins were small (approximately 1 meter tall) with small The location of this opening toward the bottom of the skull is significant in evolutionary biology for what reason? Terry thinks it Question 28 1 pts A new species of aquatic chordate is discovered that closely resembles an ancient form. a) flatworms b) sponges c) roundworms d) mollusks. B) Birds are more related to mammals than to dinosaurs. B) 3, 2, 4, 5, 1 their _____. Some researchers claim that sponge genomes have homeotic genes, but no Hox genes. Due to unequal cytokinesis, the bud cell receives less cytoplasm than the parent cell. The fish fills this version by swimming to the surface, taking gulps of air, and directing them into the swim bladder. A) lizards external armor of bony plates, no paired lateral fins, and a The subsequent decline in anopheline mosquitoes should not significantly disrupt human food resources or other food webs. What would be the closest descendent? Which of the following organisms would you expect to have the largest surface-area-to-volume ratio? A fungal spor germinates, giving rise to a mycelium that grows outward into the soil surrounding the site where the spore originally landed. D) They have lungs and are able to breathe air when water is scarce. was able both to make tools and to coordinate the hunting of animals A) 4, 3, 1, 5, 2 31) A new species of aquatic chordate discovered that closely, 31) A new species of aquatic chordate discovered that closely : 1773163. likely to benefit from air sacs which reduce its weight? It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. Which of the following is most likely to be aquatic? You find what you believe is a new species of animal. The student rears some of the eggs in the laboratory for further study and finds that the blastopore becomes the mouth. D) chondrichthyans, Vertebrates and tunicates share _____. that only males had feathers. B) a mammal A) lobe-fins A) a rasping tongue Ianna jumped in! What anatomical change made depth perception possible? 38) Terry takes the body of the snakelike organism and slices it open along its dorsal side. Which extant chordates are postulated to be most like the earliest chordates in appearance? A) a larger brain 28) option c is correct Lateral line system, a system of tactile s. Title: PowerPoint Presentation Which extant chordates are postulated to be most like the earliest What would you surmise from these data? B) no jaws. B) use its lateral line system Refer to the paragraph on Brown et al. Which of the following statements about deuterostomes is false? C) homology Unlike eutherians, both monotremes and marsupials _____. Brachiola should kill the mosquitoes before the malarial parasite they carry reaches maturity. C) presence of a nerve cord What would change in the development of protostom evolution if each body plan has a homogeneous character? Are cartilaginous fish generally freshwater species? Some that come to mind are obvious wolves in Yellowstone, lions on the Serengeti and orcas in the Pacific Northwest. animal would have trouble _____. Which of the following is a characteristic of all chordates at some Is a fish skeleton a trace or body fossil? A) They must not belong to the respiratory system. In addition to these, it will probably have which of the following characteristics? The teacher was apparently unaware that these hydrozoans exhibit _____. Often the large predators at the top of the food web in a particular ecosystem. The new species resembles an ostrachodermi. In chordates, four common features appear at some point during development: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. The three subdivisions of chordates include vertebrates, cephalochordates, and urochordates. Which of the following statements would be LEAST acceptable to most zoologists? These are called apex predators. What feature of this group most likely evolved simultaneously with the evolution of these toxins? BIO 112 Final Exam MC Practice Test - Studocu C) Humans evolved from chimpanzees. In examining an unknown animal species during its embryonic development, how can you be sure what you are looking at is a protostome and not a deuterostome? B) convergent evolution > Question 38 Why did evolution of the jaw give some vertebrates a strong selective advantage? A new species of aquatic chordate is discovered that closely resembles an ancient form. Suppose you traveled back in time and located the first animals to Which structure is not an innovation that occurred during It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. Which of these would a paleontologist most likely do to determine if a fossil represents a reptile or a mammal? Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. If a lung were to be found in a mollusc, where would it be located? Mammals and birds eat more often than reptiles. C) 3, 2, 1, 4, 5 D) cartilage. You also noticed that only males had feathers. If such seeds are deposited in a dark, moist environment, then which of the following represents the most likely means by which fungi might assist in seed germination, given what the seeds lack? Terry catches a ray-finned fish from the ocean and notices that Let us have a look at your work and suggest how to improve it! A) All deuterostomes exhibit radial symmetry in their bodies. E) They should show evidence of having produced shelled eggs. The presence of a swim bladder allows the typical ray-finned fish to A) apes osteichthyans5. B) no jaws Which of the following statements concerning animal taxonomy is (are) true? 1. lobe-fins aid in swimming; adults are sessile and thus no longer propel themselves. Which of the following is a characteristic of all chordates at some Why do adult urochordates (tunicates) lack notochords, even though larval urochordates have them? a slow-moving or sessile lifestyle in the adult. other hominins. that only males had feathers. In which vertebrates is fertilization exclusively internal? Answer: B 2 2) Which of the following statements would be least acceptable to most zoologists? The microsporidian should not be harmful to other insects. type of body cavity (coelom vs. pseudocoelom vs. no coelom). D) terrestrial, Which characteristic is common to all the modern representatives of all major reptilian lineages (turtles, lepidosaurs, crocodilians, and birds)?