What is the definition of the word appendage?
A)a worm like amphibian
B)a predatory bird, such as an eagle
C)a deep sea creature with an exoskeleton
D)a body part that sticks out, like an arm or leg
E)a decaying body of a dead animal, providing food for scavengers
3 answers
D) a body part that sticks out, like an arm or leg
Cartilaginous fish have _____ scales.
overlapping
placoid
lateral
single
caudal
overlapping
placoid
lateral
single
caudal
Placoid.