Which portion of the brain controls many vital, involuntary functions such as heart rate?

a. hindbrain

b. midbrain

c. forebrain

d. thalamus

Respiration and photosynthesis have least effect on the cycling of

If the average salinity of the ocean is not changing, what must be true about the rates of addition and removal of minerals from sea water

What words describe the outer planets? Select two options. A. Rocky B. Gaseous C. Few Moons D. Low Density E. Slow Rotation

The fleshy fruit seeds are usually dispersed by

Explain how a trace fossil can provide information on how an organism lived

While on an archaeology expedition, you unearth a skeleton with the following characteristics: four long, slender finger bones and a smaller opposable thumb bone, long arm bones, fingernails, and eye sockets close together on a skull.

Describe respiration

Which of the following is a property of minerals? a. Age b. Odor c. Hardness d. Size

What created the abundant agriculture in the Napa Valley of California? A:oceanic-continental convergence B: an earthquake C: a tsunami D:continental-continental convergence

Why is it difficult for most chemical reaction in living things to occur without enzyme?