A snake shedding its skin is what sort of adaptation?

a.) structural

b.) functional

c.) behavioral

If a solution with 5% solute and 95% water is out in 100% water is it hypertonic, hypotonic or isotonic?

Nicotine, a substance found in cigarettes, causes blood vessels to constrict. What effect might prolonged smoking have on the body? A. Decreased heart rate B. Decreased heart strength C. High blood pressure D. High blood volume

How phosphorus travels through the cycle from rock to omnivores.

A unique feature found only in archaeal cells is the Group of answer choices ability to grow in acidic environments presence of ribosomes insensitive to certain antibiotics presence of L-glycerol in the membrane lipids lack of a double-membrane

Why do you think there are earthquakes in mid-America where there are no known fault lines?

What is the odd one out of breathing, sweating, respiration and why?

Which surface of the ocean current has the warmest water a. peru current b. north atlantic drift c. brazil current d. canary current

A forest habitat contains a great deal of plant and animal life. Using the forest habitat as a model, explain the difference between species richness and relative abundance. Discuss how each affects the survival and fitness of populations.

Sort the bones based on whether they belong to the appendicular skeleton or the axial skeleton.

Abnormally low levels of the neurotransmitter serotonin are associated with: