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Tetrapod Unit test
Tetrapod Unit Test Review
| Question | Answer |
|---|---|
| List the general tetrapod characteristics | 4 footed were all land dwellers breath by lungs backbone |
| To which class do the following belong: Amphibians reptiles birds mammals | amphiba reptillia avies mamilia |
| Are reptiles endothermic or ectothermic? What advancements do they have over amphibians? | They are ectothermic. Adults have scales. Young have shells on eggs to prevent water loss. |
| List the general sea turtle characteristics. | Female turtles are larger, the legs have been modified to flippers, they lay eggs in burrows on land, the shell is made of the turtles backbone and ribs, They are able to drink sea water because they have a salt gland. |
| List the general sea snakes characteristics. | They are found in the indian and pacific ocean, have a flattened tail for swimming, ovoviviparious, eat small fish, strong nerve venom designed to kill small fish. |
| List 10 characteristics that allow penguins to thrive in the ocean | found in nothern hemisphere lay eggs in winter nictating membrane salt gland blubber heavy bones webbed feet feathers like fur streamline |
| to which order do the following belong seals sealions walruses sea otters polar bears dolphins baleen whales toothed whales | penipidea penipidea pinipidea carnivora carnivora cetacea cetacea cetacea |
| Explain the differences between seals and sea lions. | sea lions have external ear lobes sea lions have external testies seals swin with postier fins |
| What do seals and sea lions typically feed on? Walruses? Sea otters? Polar bears? | seals and sealions= fish and crustacians walruses=clams sea otters=clams and fish polar bears= seals |
| how do sea otters keep warm? | They have dense fur and a high metabolism |
| list the general mamilian characteristics | vivoparious endothermic/warm blooded hair/fur milk larger brain |
| List the general cetacean characteristics | live life in water babies are born in water first streamline plankton and small fish are fed on by baleen whales fish and squid are fed on by toothed whales |
| List as many examples of toothed whale as possible. Rorqual whale? Baleen whales that are not rorqual whales. | Toothed whales=dolphins, porpoises, sperm whale Rorqual whales= blue whale, fin whale, humpback whale not rorqual whale= right whale, and grey whale |
| What is the largest species of whale? Second largest? Largest species of dolphin? | largest whale=blue whale second largest=fin whale largest dolphin=orca whale/killer whale |
| how are porpoises different from dolphins? | dolphins teeth are combed shaped porpoises teeth are mushroomed shaped |
| What do right whales eat? Grey whales? Orcas? | right whales shift through surface water for plankton grey whales shift through mud for crustaceans orcas hunt and kill large fish and marine mammals |
| What are baleen plates? How are they used for feeding? | they are rigid plates with hair aimed in one direction used to filter feed. Big gulps of water shoot out of there bristles and the whale licks the plankton off of their teeth |
| list examples of rorqual whales | blue whale, humpback whale, fin whale |
| How do toothed whales find food? What is a spermaceti organ and what type of toothed whale has one? | They find food by ecolocation. The spermaceti organ is on a sperm whale and focuses sound |
| List as many examples of toothed whale as possible. Rorqual whale? Baleen whales that are not rorqual whales. | Toothed whales=dolphins, porpoises, sperm whale Rorqual whales= blue whale, fin whale, humpback whale not rorqual whale= right whale, and grey whale |
| How do toothed whales find food? What is a spermaceti organ and what type of toothed whale has one? | They find food by ecolocation. The spermaceti organ is on a sperm whale and focuses sound |
| What is ambergris? What is it used for? | It is found in the intestines of a sperm whale, it is undigested food used for perfume and seasoning. |
| What is the largest species of whale? Second largest? Largest species of dolphin? | largest whale=blue whale second largest=fin whale largest dolphin=orca whale/killer whale |
| List adaptations evolved by whales that allow them to dive into deep water. | clasable lungs blood around brain and core more red blood cells/more hemoglobin muscles have protein to hold oxygen |
| how are porpoises different from dolphins? | dolphins teeth are combed shaped porpoises teeth are mushroomed shaped |
| What do right whales eat? Grey whales? Orcas? | right whales shift through surface water for plankton grey whales shift through mud for crustaceans orcas hunt and kill large fish and marine mammals |
| What are baleen plates? How are they used for feeding? | they are rigid plates with hair aimed in one direction used to filter feed. Big gulps of water shoot out of there bristles and the whale licks the plankton off of their teeth |
| list examples of rorqual whales | blue whale, humpback whale, fin whale |
| How do toothed whales find food? What is a spermaceti organ and what type of toothed whale has one? | They find food by ecolocation. The spermaceti organ is on a sperm whale and focuses sound |
| What is ambergris? What is it used for? | It is found in the intestines of a sperm whale, it is undigested food used for perfume and seasoning. |
| List adaptations evolved by whales that allow them to dive into deep water. | clasable lungs blood around brain and core more red blood cells/more hemoglobin muscles have protein to hold oxygen |
| list adaptations evolved by whales that allow them to dive into deep water. | claspable lungs blood around brain and core more red blood cells/ more hemoglobin muscles have protein to hold oxygen |
| what is breaching? Spying? | Breaching= a whale jumps out of the water and crashes spying= peak there headout and look around |
| what is beaching? What tyoe of whales beach? | BEaching is getting stuck on land tooth whales are the ones who beach |
| Why do baleen whales migrate? | They migrate to the polar seas in the summer to eat and migrate to the tropical seas in the winter to have babies |
| What is delayed implantation? why is it important for pinnipeds? | The embro does not attach for a certain amount of time. They are at sea most of the year. offspring would die in the sea |
| How often do gray whales breed? | Every two years |
| list the general cetacean breeding and birthing characteristics. how are cetacean calves fed? | babies born tail first, no blubber, have to swim up to get air, has a very strong bond with its mom, drinks milk |
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aschobit
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