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Apologia Bio Mod 16
Definitions for Apologia Biology - Module #16 (2nd Edition)
| Term | Definition |
|---|---|
| amniotic egg | a shelled, water-retaining egg that allows reptile, bird, and certain mammal embryos to develop on land |
| neurotoxin | a poison that attacks the nervous system, causing blindness, paralysis, or suffocation |
| hemotoxin | a poison that attacks the red blood cells and blood vessels, destroying the circulation |
| endotherm | an organism that is internally warmed by a heat-generating metabolic process |
| down feathers | feathers with smooth barbules but no hooked barbules |
| contour feathers | feathers with hooked and smooth barbules, allowing the barbules to interlock |
| placenta | a structure that allows an embryo to be nourished with the mother's blood supply |
| gestation | the period of time during which an embryo develops before being born |
| mammary glands | specialized organs in mammals that produce milk to nourish the young |