Colegio San Patricio
4th Period Biology Quiz #2
School Year 2010-2011
Name_____________________________________________________List#__________
Date_____________________________________________________________7th_____
I. Write the vocabulary word that goes next to the following definitions.

1. _______________A cold-blooded vertebrate animal that lives in water and breathes with gills when its young; as an adult, it moves onto land and breathes air with lungs.
2. _______________The process of keeping eggs warm by bodily heat until they hatch.
3. _______________A cold-blooded vertebrate that has skin covered with scales or horny plates and has lungs.

II. Write true or false.
4. Ectotherms have a constant body temperature. __________
5. Amphibians take in oxygen through their smooth, moist skin. __________
6. Down feathers allow birds to fly. __________
7. Endotherms need to eat more often than ectotherms to produce body heat. _________

III. Answer the following questions.
8. Write 3 adaptations that make flight possible for birds.
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9. A crocodile was lying in the sun for an hour. When it slides into the cool river, how will its body temperature change? Why?
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IV. Compare and Contrast amphibians and reptiles. Draw a venn diagram and write 2 things on how they are the same and two things on how they are different.