The spinothalamic tract conducts impulses

a. from the thalamus to the cerebral cortex.
b. up the spinal cord to the thalamus.
c. down the spinal cord from the thalamus.
d. that stimulate movements in skeletal muscles.

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

Common commercial benefits of microorganisms include synthesis ofa. insulin.b. antibiotics.c. aspirin.d. antibiotics and aspirin.e. antibiotics and insulin.

What is the most appropriate method of gaining weight (muscle mass)