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Question
HumansChoose the one most appropriate letter for each.
a. cartilaginous skeleton; jaws
b. reptile with four-chambered heart
c. placental mammal
d. legless amphibian
e. invertebrate chordate; no metamorphosis
f. endotherm with feathers
g. limbless reptile
h. most primitive fishes with jaws; extinct
i. modern-day parasitic jawless vertebrate
j. marsupial
k. adult is called "sea squirt"
l. egg-laying mammal
m. swim bladder for buoyancy
n. may be sexually mature in larval form
Answer
This answer is hidden. It contains 1 characters.
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