What is gene flow?

O

A. A method of artificial selection

O

B. A random change in allele frequencies

O

C. When the population drops suddenly, then grows

D. The transfer of genes from one gene pool to another

Explain the difference between a theory, hypothesis, and law.

What impact does the atmosphere have on the Earth's cycles? Select four options, produces wind currents transfers nitrogen from air to soil transfers water into Earth's oceans moves oxygen from volcanic eruptions for plants moves oxygen and carbon

Which of the following weather patterns would be characteristic of a La Niña event? a. high pressure over the western Pacific. b. high ocean surface temperatures. c. warm and dry weather in the southern U. S. d.

When a person develops tolerance for alcohol, he or she will: a. be less harmed physically by the same doses b. need larger doses to feel the same level of intoxication c. take longer to reach a bac of 0.08%?

What are the impacts of biotechnology of indivduals, society and the environment

Which of the activities listed below are functions of the Lymphatic System? 1 transports lipids to the blood 2 transports lipid-soluble vitamins to the blood 3 drains excess interstitial fluid from tissue spaces and returns it to the blood 4

Under which circumstances must facilitated diffusion be used instead of simple diffusion?

The biochemical analysis of different chlorophyll pigments in plants would be most useful in determining ... question 3 options:

The colors on the map above show the locations of the major tectonic plates that make up the Earth's crust. Which city on the map is most likely to experience a major earthquake?

Explain how the use of a chemical designed to kill grasshoppers could reduce the population of peregrine falcons.