Echinoderms and chordates are

a. deuterostomes.
b. protostomes.
c. animals whose blastopore becomes a mouth.
d. both b and c.


c

Biology & Microbiology

You might also like to view...

Organelles that breakdown hydrogen peroxide into water and oxygen are:

A. peroxisomes. B. plastids. C. lysosomes. D. liposomes. E. vacuoles.

Biology & Microbiology

How many beta sheets are present in crambin?

a. 1 b. 2 c. 3 d. 4

Biology & Microbiology

To sterilize heat-sensitive solutions such as special culture media, enzymes, and vaccines, one should use

A. dry heat. B. an autoclave. C. filtration. D. pasteurization.

Biology & Microbiology

The set of analytical and mathematical tools designed to help researchers gain understanding from the data they gather is called:

A) geometry. B) biology. C) genetics. D) science. E) statistics

Biology & Microbiology