Structure that carries messages between the brain and other parts of the body

List three ways a virus can spread.

Scientists assume that an organism's ancestors required a climate similar to the climate required by the present-day organism. a. True b. False

The minimal circumstances under which medical attention should be sought for a burn victim is when the surface area of a second degree burn is great than

Name of classification key which there is always two choices

Which one is not a cell of the immune system A. T cells B. B cells C. White blood cells D. Red blood cells

What season has leaves turning red and gold

What are some possible consequences if transgenic salmon escape from their pens into the ocean population? How might transgenic salmon affect the evolution of other salmon populations?

When two species occupy the same niche in an ecosystem, the result of the competition is that one species will either have to move to a different environment, or it will die out.

The solar system formed from the A. collapse of an interstellar cloud. B. explosion of an interstellar sun C. grouping together of asteroids D. collision of two massive stars

Why can we treat flu symptoms with antibiotics, but not the flu itself? What would be affective against the flu?