vocab 41-45 Flashcards
1
Q
an animal that generates its own body heat thru metabolism
A
endotherm
2
Q
a bird that overwinters in the tropics and then travels to temperate areas to breed and raise its offspring
A
migratory bird
3
Q
one of the repeating bony units of the backbone
A
vertebra
4
Q
the egg-laying behavior of some bony fish
A
spawning
5
Q
encase embryo in a secure, self-contained aquatic environment
A
amniotic egg
6
Q
the organ that nourishes unborn young
A
placenta
7
Q
a protein that forms hairs, bird feathers, human finger nails and the horny scales of reptiles
A
keratin
8
Q
a mammal that carrie’s its young in a pouch
A
marsupial
9
Q
referring to an animal whose body temperature is determined by the environment
A
ectothermic
10
Q
egg-laying mammal
A
monotreme
