Which phrase describes estuaries?

are made of fresh water only

are areas where rivers flow into lakes

are homes to unique plants and animals

are places where all of Virginia's water drains

Within ecosystems, energy generally flows from A. secondary consumers to primary consumers. B. primary consumers to producers. C. primary consumers to secondary consumers. D. all of these

What is the purpose of using milk in the protein test?

Why are macromolecules important

One way mountains form is when the tectonic plates of the earth collide, causing the folding up of the earth's crust. There are other ways for mountains to form. Another way mountains may form is by

What does the body do during the exhaustion phase of the GAS model? It prepares to fight danger or run from it. It identifies the primary source of danger. It stabilizes all physiological responses. It experiences extra wear and tear from fatigue

When one homologous chromosome undergoes an inversion but the other does not, the individual is described as?

This organ contains a large number of phagocytes and is important for clearance of opsonized bacteria. People who have this organ removed are at higher risk for disseminated infections by encapsulated bacteria.

The two receiving chambers for blood are the

What is a soft part of an animal

Which kingdom do viruses belong to?