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9 Cards in this Set
- Front
- Back
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Amniotic egg |
A shelled, water retaining egg that allows reptile, bird, and certain mammal embryos to develop on land |
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Neurotoxin |
A poison that attacks the nervous system, causing blindness, paralysis, or suffocation |
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Hemotoxin |
A poison that attacks the red blood cells and blood vessels, destroying circulation |
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Endotherm |
An organism that is internally warmed by heat generating metabolic process |
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Down feathers |
Feathers with smooth barbules but no hooked barbules |
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Contour feathers |
Feathers with hooked and smooth barbules, allowing the barbules to interlock |
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Placenta |
A structure that allows an embryo to be nourished with the mother's blood supply |
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Gestation |
The period of time during which an embryo develops before being born |
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Mammary glands |
Specialized organs in mammals that produce milk to nourish the young |
