Activity Research the ecology of your region and find one species that is endangered. Find an estimate of the population of the species in your region.
Describe the threats facing that species, especially threats posed by human activities.

What are charcteristics of lithosphere?

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean