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Java Games: Flashcards, matching, concentration, and word search. |
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25.5 Vertebrates on Land
Reptiles, birds, and mammals are adapted for life on land.
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| amniote | vertebrate whose embryo or fetus is enclosed by a thin, tough membranous sac |
| keratin | protein that binds to lipids inside a skin cell, forming a waterproof layer within the skin |
| amniotic egg | waterproof container that allows an embryo to develop out or water and externally from the mother without drying out |
| placenta | organ that develops in female mammals during pregnancy and carries nutrients from the mother to the embryo |
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BVNW |
Blue Valley Northwest High School |
| Overland Park, KS |
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