How do the brains of birds and mammals compare to other groups of vertebrates?
A) Birds and mammals have much smaller brains relative to body size than other groups of vertebrates.
B) Birds and mammals have proportionately larger hindbrains than other groups of vertebrates.
C) The brains of birds and mammals have proportionately larger midbrains than other groups of vertebrates.
D) The ratio of brain size to body weight for birds and mammals is about ten times greater than other groups of vertebrates.

Question

Quizplus · Accepted Answer

Birds and mammals generally have larger brains relative to their body size compared to other vertebrates. This larger brain size, especially in relation to body weight, is a characteristic that supports their complex behaviors and higher cognitive functions.

How Do the Brains of Birds and Mammals Compare to Other