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- 8. Which pair of animals are homologous in structure? * A. wings of butterfly and wings of bat B. flipper of whale and forelimb of cat C. fingers of human and arm of starfish D. tongue of frog and proboscis od mosquito1.What is the benefit of a chameleon's feet?What is this called? 2.Why are so few reptiles found in Alpine regions? 3.What common features do all reptiles share?7. Primates have prehenslle hands (and sometimes they have prehensile feet). What does this mean? O A. They have five digits on each hand and foot. O B. They have nails rather than claws. C. Their hands are adapted for seizing or grasping. O D. They have an opposable thumb, which allows for a precise grip. 17:48:40 esc W e
- 2 3. Explain how human hunting has affected the traits of the African elephants. Explain why being a tuskless male has become a successful adaptation.1. Based on the tree below, which statement is not correct? Salamander Lizard Goat Human a. The salamander lineage is a basal taxon. b. Salamanders are a sister group to the group containing lizards, goats, and humans. c. Salamanders are as closely related to goats as to humans. d. Lizards are more closely related to salamanders than to humans.7. Primates have prehensile hands (and sometimes they have prehensile feet). What does this mean? OA. They have five digits on each hand and foot. B. They have nails rather than claws. C. Their hands are adapted for seizing or grasping. OD. They have an opposable thumb, which allows for a precise grip. O 17:48:40 q W SIS y U
- 1. Identify traits that characterize all animals. 2. State one way that animal cells differ from the cells of plants and fungi. What is the significance of this difference? 3. State how the phylum Chordata differs from other animal phyla. 4. List three traits that evolved in invertebrate animals. 5. Describe the range of variation in the nervous systems of invertebrates. 6. Distinguish among asymmetry, radial symmetry, and bilateral symmetry.2. Crustaceans, like annelids, are segmented animals. But crustaceans unlike annelids have tagmata. What are some advantages and disadvantages to this type of segmentation in comparison to annelids? Give an example in your answer for both an advantage and a disadvantage. 3. The chelipeds of prawns are quite diminished in size when compared to crayfish and lobster. Hypothesize why you think these differences exist? Find some support for your hypothesis from the Internet or other scientific resource. 4. Using forceps or tweezers, gently pull the 4th or 5th pereiopod to examine its motion. Do so without tearing the appendage off from the body. How would you describe its maneuverability? What are the limitations to motion of these walking legs? Given their small size and limited capacity for muscle attachment, how is it that this animal can use these appendages for motion? 5. Describe the structural differences between the pleopods and the pereiopods up the prawn. What hypothesis can you…What is the best evidence that Monotremes are a transitional taxon between reptiles and other mammalian groups? O A. they have fur, have mammary glands without nipples, have a cloaca and lay leathery eggs. O B. They have poison glands like a snake, have a tough beak, have web-feet like a beaver, and give birth to live young. O C. their reproducive tract resembles a kangaroo's but they lay eggs and lack a marsupial pouch O D. they have fur, lay eggs but don't suckle their youg as they lack mammary glands, and appear in the fossil record before the placental mammals. 11:52 Al 12/16/202 ere to search End F10 PgUp PF11 F12 PrtScn Home F9 DII F5 F7 F6 F4 F3 F2 F1 & %3D 23 2$ 9. 7 3 4 W J K L S D F C V .. .- * CO
- 1. Members of Suliformes typically lay 2-3 eggs, but it is rare that more than one nestling survives. Why? 2. Members of Suliformes do not develop brood patches to incubate their eggs. What do they do instead? 3. Why to tropic birds lose fat before their first flight? 4. Please describe the courtship display of members of Phaethontiformes.20. All primates share the following characteristics except: A. They all have tails B. They are endothermic C. They nurse their young D. A heterodontic dentidor11.What does Molly possess that most humans do not? 12.Where are fish gonads located? 13.What is Sonic Hedgehog responsible for? 14.How many fingers do people in the Hubbard family have? 15.How far back can we trace the Sonic Hedgehog gene? 16.What does the name Tiktaalik mean? 17.Who was the first to predict that an animal like Tiktaalik would exist? 18.What features does Tiktaalik have that fish typically do not? 19.What type of exercise could Tiktaalik do that other fish cannot? 20.What is the piece of anatomy that changed the world?