The ocean’s living resources are harvested through fishing or ocean farming. t or f
a non-renewable energy resource is a resource that is used faster than it can be replaced naturally. t or f
irrigation at night, using recycled water, and drip sprinkler irrigation are ways not to conserve water. t or f

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above