Organisms that live in desert and desert-scrub biomes have developed unique adaptations that aid in their survival. coyotes are crepuscular desert mammals that grow to be approximately three feet tall and weigh between 20 and 50 pounds when full-grown. how does being crepuscular enable the coyote to survive the heat of the desert?
a.

it is only active at dawn and dusk
b.

it is only active at noon
c.

it is only active at night
d.

it is only active in the morning

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4