What variable is changed when a scientific experiment is carried out?

Why do soils in wet climates tend to be depleted of certain nutrients?

What are uses for embroynic stem cells?

8. In horses, black coat color is determined by a dominant allele B and brown coat color by its recessive allele b. The trotting gait is due to the dominant allele T and the pacing gait is due to its recessive allele t.

What's the definition of solution give me an example of solution

How are moss gametes produced?

Which is a single ring nitrogenous base

The area of the A band in the sarcomere consists of O z line, H band, M line O M line, H band, zone of overlap KAN O thin filaments only O overlapping thick and thin filaments

Forest fires take away large dense tree populations. What negative impacts can occur to the carrying capacity and biodiversity because of this?

Fish are thought to have descended from ostracoderms.

When disease-causing organisms, such as bacteria or viruses, invade, the body responds by releasing chemicals to raise the core body temperature, causing a fever.