Evolution not only explains how organisms are different, but it also explains the similarities of all life forms on Earth.

Which of the following do your genes affect? A. your ability to play soccer. B. how your body grows and looks C. your ability to ride a bike D. the function of your digestive system

When may a plain band ring be worn when preparing food? a. always b. never c. if gloves are worn over ring d. if it is approved by the person in charge?

Using the letters A, T, C and G for the bases record the order of each nitrogen base i figure 8-4

What does the term double life mean for a frog?

How does the lithosphere support life

An experiment was conducted to determine which type of fruit attracts the most fruit flies. Equal sized pieces of apple, pear, and banana were placed in separate containers at different areas around the school.

In the F2 generation of Mendel's crosses, A. all plants had the dominant trait. B. half of the plants had the dominant alleleC. all plants had both the dominant and recessive alleles. D. one in four plants had two alleles for the recessive trait.

In a population, when the birthrate becomes higher than the death rate, the population's growth rate A) decreases. B) increases. C) slows to a stop. Eliminate D) levels off and remains constant.

Types of calcareous marine microorganisms

Which of the following are examples of the first specialized tissues? A. antennae B. eyes C. kidneys D. tentacles