Metanephridial organs are common in:

a. mollusks.
b. flatworms.
c. cnidarians.
d. sponges.
e. insects.


A

Biology & Microbiology

You might also like to view...

The metabolic feature that defines Thaumarchaeota is ________ ________.

What will be an ideal response?

Biology & Microbiology

If solution of A is hypotonic to B, then the direction of net movement of water is B to A

__________________ Indicate whether the statement is true or false.

Biology & Microbiology

Parts of the enzyme molecule that interact with a substrate are called:a

cofactors. b. active sites. c. induced-fit models. d. orientation sites. e. reaction sites.

Biology & Microbiology

The Earth's surface releases ________ that is absorbed by the atmosphere, stabilizing or raising atmospheric temperature.

A. gamma radiation B. near-ultraviolet radiation C. ultraviolet radiation D. long-wave infrared radiation E. x-rays

Biology & Microbiology