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Biology OYO

Module 16 - OYO

QuestionAnswer
16.1 You are blindfolded and asked to feel the skin of two creatures. One is a fish and the other is a snake. If the first creature feels dry and leathery and the second feels slimy and rough, which is the fish and which is the snake? The first is the snake. The second is the fish.
16.2 If an amniotic egg develops without an allantois, will the embryo live? Why or why not? No. Because it will die of suffocation.
16.3 Using X-ray technology, you observe the inside of an egg as the embryo develops. At first, the yolk sac and allantois are the same size, so you cannot tell them apart.
16.3(continued) After a few days, the one on the left is smaller than it was, and the one on the right is the same size as before. Which one is the allantois? The one on the right.
16.4 You have a tadpole and a baby water snake. Can either of them drown? If so, which one? Yes. The baby water snake.
16.5 We assume that the tuatara uses its parietal eye to limit the time that it basks in the sun. Why must it limit its time in the sun? Because it could die of overheating.
16.6 A reptile has no eyelids and is deaf. Is it a lizard or a snake? Snake.
16.7 Why do biologists say that human beings are responsible for the tuatara's dwindling population, even though humans do not hunt or kill tuataras? Because we brought rats that eat their eggs to their habitat.
16.8 If a snake generally hunts at night, what is it most likely using to detect its prey? Heat sensing pits.
16.9 Why do some biologists say that snakes smell with their tongues? Because they use their tongues and Jacobson's organs to smell.
16.10 You see a member of order Testudines that has flippers. Is it a turtle or a tortoise? Turtle.
16.11 You see a member of order Crocodilia with its mouth closed. You cannot see any teeth. Is this an alligator or a crocodile? Alligator.
16.12 Fresh samples of blood are taken from a bird and a reptile. If the samples were taken during a cool night, which creature's blood will be warmest? The bird's blood.
16.13 A biologist shows you a sample of blood taken from a creature's ventricle. If this blood is a mixture of oxygen-rich and oxygen-poor blood, did it come from an amphibian or a bird? Amphibian.
16.14 You find an egg that has a very hard shell. Is it a bird egg or a reptile egg? Bird.
16.15 A bird's feathers begin to lose their flexibility. What should the bird do in order to fix this problem? Preen itself.
16.16 You see a picture of a bird in a book. The alula on each wing is pushed against the wing so that there is no gap in between the alula and the wing. Is this bird most likely in the middle of its flight or in the process of landing? In the middle of its flight.
16.17 Two bones look identical. The person showing you the bones says that one comes from a reptile and the other from a bird. How could you tell which came from the bird without damaging the bones in any way? Weigh which one is lighter.
16.18 The roseate spoonbill feeds by standing in water and sweeping its open bill back and forth, catching small fish, shrimp, snails, and insects. In which order does it belong? Ciconiiformes.
16.19 The red jungle fowl has tender white breast meat when cooked. It flies in short bursts, spending the rest of its time on the ground. In which order does it belong? Galliformes.
16.20 Which mammal would have thicker underhair, a polar bear (which lives in a very cold climate) or a prairie dog (which lives in a warmer climate)? A polar bear.
16.21 A cat with its whiskers cut off tends to run into objects a lot more frequently than the same breed of cat whose whiskers are not cut off. Why? Because the cat will not be able to detect objects in the dark.
16.22 Two different species of mammals have different gestation periods. The first has a long gestation period and the second has a short gestation period. Which mammal will have offspring that are more developed at birth? The mammal species with the long gestation period.
16.23 A mammal has a long snout, eats ants and termites, and has teeth. To which order does it belong? Edentata.
16.24 A mammal lays eggs. To which order does it belong? Monotremata.
16.25 A mammal has a hoof with three toes. To which order does it belong? Perissodactyla.
Created by: LiseBrinkley
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