Which portion of the brain has shown the most dramatic changes in size in the evolution of birds and mammals?

A. hindbrain
B. midbrain
C. forebrain
D. cerebellum
E. medulla oblongata


C. forebrain

Biology & Microbiology

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Afferent neurons carry electric impulses directly to muscles and glands

Indicate whether the statement is true or false.

Biology & Microbiology

Lysosomes serve as

a. protein synthesis organelles. b. protein packaging organelles. c. organelles of peroxide digestion. d. waste disposal and recycling centers. e. centers for cell division.

Biology & Microbiology

Decomposers

What will be an ideal response?

Biology & Microbiology

Mutation rates

A) can be affected by environmental factors. B) can be synonymous or non-synonymous. C) are equal in all species—this is why we can accurately calibrate a molecular clock. D) are generally unimportant in evolution. E) tend to be higher in E. coli than in Homo sapiens

Biology & Microbiology