Explain the difference between a photic zone and an aphotic zone

The brain is the main organ of the: circulatory system nervous system digestive system excretory system

Which can stimulate the production of red blood cells? hypoxia?

Which of following correctly matches a plant's structure to its function in the plant? A. Most leaves have a thin, flat shape for absorbing light. B. Most stems have tiny hairs for absorbing water. C.

How does a biome differ from a habitat?

Fluid intelligence seems most strongly related to activation of which part of the brain?

It is important to inspect tina's mouth thoroughly because oral cancers are most commonly found:

Most metals are in the liquid state at room temperature. is this true or false

What does the word organism mean

What variable means factors in an experiment that remain the same

Which describes a metaphase plate? sister chromatids lining up in the center of the cell parent cells dividing into two daughter cells spindle fibers pinching the cell membrane in half centromeres joining sister chromatids together?