Evolution occurs when?

A) There is a change in genetic frequency

B) There is a change in the environment

C) A population has remained stable over a long period of time

D) New habitats and niches became open

Why doesn't the united states use 100 renewable energy There are not enough sources of renewable energy Renewable energy producers don't qualify for tax incentives Fossil fuels are still relatively inexpensive compared to renewable energy

Salmon hatcheries are commonly found near rivers along the West Coast of the United States because of decline in wild salmon populations due to what activities?

Eugene is running and needs more energy. He drinks a sports drink with sugar, but that sugar needs to be converted to another form of chemical energy for his leg muscles to be able to use it.

Based on observations, you create steps to test whether the presence of water could accelerate the growth of bread mold. These steps would be A. a conclusion. B. a hypothesis. C. an experiment. D. an analysis.

What does runoff include

What are the weakness and strengths of Behavior

Most glaciers in Alaska are retreating, although the average annual snowfall has increased in the last few decades. What does this tell us about what is happening to sea-level temperature?

Jessi consumes a diet of 1920 total kcalories that has 80 g of fat. what percent of jessi's diet comes from fat? (give answer to the appropriate reporting digit. only give the value. do not include the term percent or its abbreviation.)

Scientists break down evolution into catogories

The process of sediments being compacted and cemented to form sedimentary rocks is called A. metamorphism. B. deposition C. crystallization D. lithification