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Module #16 Test

Enter the letter for the matching Answer
incorrect
1.
Down feathers
incorrect
2.
Mammary glands
incorrect
3.
Neurotoxin
incorrect
4.
Contour feathers
A.
Feathers with hooked and smooth barbules, allowing the barbules to interlock
B.
Feathers with smooth barbules but not hooked barbules
C.
A poison that attacks the nervous system, causing blindness, paralysis or suffocation
D.
Specialized organs in mammals that produce milk to nourish the young
Type the Question that corresponds to the displayed Answer.
incorrect
5.
The period of time during which an embryo develops before being born
incorrect
6.
A poison that attacks the red blood cells and blood vessels, destroying circulation
incorrect
7.
An organism that is internally warmed by a heat-generating metabolic process
incorrect
8.
A structure that allows an embryo to be nourished with the mother's blood supply
incorrect
9.
A shelled, water-retaining egg that allows reptile, bird, and certain mammal embryos to develop on land

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