Which biomes cross boundaries between different climate zones?

Which part of the nervous system takes the information received from the senses, makes sense out of it, makes decisions, and sends commands out to the muscles and the rest of the body?

List 5 main groups of the periodic table

Why is avian influenza spreading so quickly in some regions and not in others? What are some possible ways that it may spread globally?

Kangaroos are mammals that lack a placenta. Therefore, they must have an alternate way of supplying the developing embryo with

Which of these glands is responsible for regulating minerals in the body but is also part of the sympathetic division of the autonomic nervous system?

Among plants known as legumes (beans, peas, alfalfa, clover, for example), the seeds are contained in a fruit that is itself called a legume, better known as a pod.

Which of the following best explains the central role of carbon in the chemistry of living organisms? A. Carbon forms many molecules with ionic bonds B. Carbon forms many molecules with convalece bonds C.

The conversion of nitrogen gas to compounds useful to crops is called nitrogen fixation nitrogen compounding nitrogen conversion nitrogen fusion

How many copies of a DNA molecule result from to replications of a single DNA molecule?

What kind of inheritance occurs if red flowers crossed with white flowers produce offspring with red patches and white patches on their flower petals?