Which of these work together in a feedback loop?

A. Insulin and glucagon

B. Pancreas and large intestine

C. Testes and sweat glands

D. Glucose and calcium ions

Give three adaptive advantages of fungi involving spores and their production.

When fertilizers run off farmland into streams and ponds, the nitrogen content of the water increases. This can lead to rapid growth of algae in a process called eutrophication.

What characteristic about the tundra biome listed below does not contribute to a reduction of carbon dioxide on Earth? a. nutrient-poor soil b. permafrost c. plants and their trapped carbon dioxide are frozen in the earth d. carbon dioxide sink

Which process is the total of all the chemical reactions in an organism

A small group of individuals leave a larger population and colonize a new area that is physically separated from the original population.

Explain how a shortage of water affects the health of your cells.

Name the appendages used for movement by organism belonging to protista

What are 4 benefits of genetically modified plants and animals

a property of matter that can be observed and measured, without changing its identity is known as a (n)

Gregor Mendel developed several laws of heredity over the course of his genetic research. What does the first law of heredity, the law of segregation, state about genes?