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Module #16


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Category: Answer

 
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certainA shelled, water-retaining egg that allows reptile, bird, and _____ mammal embryos to develop on land11true
nourishSpecialized organs in mammals that produce milk to _____ the young21true
EndothermAnswer: An organism that is internally warmed by a heat-generating metabolic process30false
PlacentaAnswer: A structure that allows an embryo to be nourished with the mother's blood supply40false
NeurotoxinAnswer: A poison that attacks the nervous system, causing blindness, paralysis or suffocation50false
GestationAnswer: The period of time during which an embryo develops before being born60false
Down feathersAnswer: Feathers with smooth barbules but not hooked barbules70false
HemotoxinAnswer: A poison that attacks the red blood cells and blood vessels, destroying circulation80false
Contour feathersAnswer: Feathers with hooked and smooth barbules, allowing the barbules to interlock90false