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animal self test
test 3
| Question | Answer |
|---|---|
| Adult members of the Class Chondrichtyes have cartilagnious skeletons. What do they lack? | Aminiotic eggs |
| What is the major difference between a vertebrate and an invertebrate? | the presence of a vertebral column |
| how would you define a tetrapod organism? | 4 appendages ... Legs, arms, or wings |
| What does the swim bladder of modern bony fishes provide? | Buoyancy |
| What can be regulated to make a fish ascend or descend? | the amount of gas in the swim bladder |
| What classification does not include both humans and cats? | Order Primates |
| What classification includes humans and cats? | Class mammalia and subphylum Vertebrata |