In ______, eggs are fertilized inside the mother, and young are born alive.

a. viviparity
b. ovipary
c. ovoviparity
d. oviparity


a. viviparity

In viviparity, eggs are fertilized inside the mother, and young are born alive.

Biology & Microbiology

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The sea squirts and lancelets have an inner chamber that expels water. This chamber is called the

a. intestine. b. bladder. c. atrium. d. nephridium.

Biology & Microbiology

Losing an exoskeleton in order to grow is called what?

What will be an ideal response?

Biology & Microbiology

The location and/or metabolism of a substance such as a hormone or drug can be followed in the body by labeling the

substance with a(n): a. acid b. isotope c. element d. radioisotope e. DNA molecule

Biology & Microbiology

Endospores are

A. resistant to destruction by radiation. B. metabolically inactive. C. living structures. D. resistant to heat and chemical destruction. E. All of these choices are correct.

Biology & Microbiology