Sponges have

A. a coelom.

B. tentacles.

C. specialized cells.

D. bilateral symmetry

To see if correction fluid has been used on a document it can be put in front of a light and the area will appear opaque

Describe 3 main features inside a prokaryotic cell

The word which means to cut into two parts is a. dichotomy b. wedge c. binomial

The period of physical changes to sex characteristics that marks the beginning of adolescence in males and females is

If you kick a ball, you apply an impulse. the impulse is equal to

Describe two factors that cause variations in climate?

A demonstration is performed during a lecture on muscle physiology in which a student is asked to fully extend his right arm with the palm up. Two large textbooks are placed on his palm, one at a time.

How is it that the heartworm is able to multiply in numbers at such a fast rate?

Ground squirrels are found in many areas of the United States. They live in underground burrows and are often attacked by birds of prey, coyotes, and boBCats. Which of the following is a limiting factor for a ground squirrel population?

10. Which of the following is an emerging dis- ease that was unknown 50 years ago? a. malaria b. dengue fever C. Lyme disease d. schistosomiasis