Genetic diversity is required for natural selection to act, but natural selection can reduce or eliminate diversity. what forces restore or maintain diversity of a population?

Blood cell formation is a vital process carried on in

What studies how traits are inherited though the interactions of alleles.?

Are fingerprints inherited from past generations?

What molecule holds the nitrogen bases together in the DNA twisted configuration?

Which of the following accurately describes the relationship between photosynthesis and cellular resporation a. the reactant of photosynthesis are the products of cellular respiration and vice versa. b.

Why does it take a long time to develop a new variety of tomato? A. Changes in traits happen gradually, over many generations. B. Many plants resist change. C. Tomatoes cannot acquire new traits. D. A species cannot change over time.

Select the one true statement. Vacuoles store nutrients, water, and waste in animal cells. Plant cells can have chloroplasts but do not have a cell wall.

Using water more effectively A. Protects the environment B. Causes the loss of natural pollution filters C. Increases with contamination D. All of the above

2. The name given to energy stored in food is A. glycolysis. B. a matrix. C. a calorie. D. fermentation.

How are capillaries involved in gas exchange