Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
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 circulation |
|
Endotherm |
An organism that is internally warmed by 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 |