What determines the color of western white butterflies?

a. genes alone.

b. the environment alone

c. temperature and genes

d. exposure to sunlight and genes

Name a few important body functions that your nervous system controls on its own without you having to think about it much

What is the significance of a recombinant plasmid?

The block of rock that forms the lower half of a fault is called the syncline anticline footwall hanging-wall tension shewing strike-slip reverse

Where do the reactions of the citric acid cycle occur in eukaryotic cells?

Why are bacteria needed in the nitrogen cycle? Other living things cannot use atmospheric nitrogen. Other living things cannot use the nitrogen in plants. Bacteria are the main nitrogen reservoir. Bacteria are the main nitrogen transporters.

In an appropriately designed experiment, a scientist is able to test the effect of: A) a single variable B) multiple variables C) the hypothesis D) scientific observations

Which answer is not a mechanism for evolution1. Mutations 2. Natural Selections3. Genetic Drift 4. Gene Pool?

In addition to fossil evidence for evolution, other lines of evidence can include:

Why do arteries have more muscle and elastic tissue than veins?

If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion? 1. O+ 2. O- 3. AB+ 4. AB -