abeka 7th grade science section review 13.2

define climax vegetation.

the dominant plant species in a biome

what are three main differences between the Arctic tundra and apline tundra?

an apline tundra differs from the Arctic tundra because it is at higher altitudes, lacks permafrost, and has better water drainage

name three divisions of the biosphere.

atmosphere, lithosphere, and hydrosphere

why would you not expect most leaves to change color in the fall in a boreal forest?

because the boreal forest is mostly made of conifers

list and define, in order from largest to smallest, the levels of a biome.

ecosystem which is specific areas like marshes, lakes and other small natural divisions; community which is all the living things in an ecosystem; population which is one of all the species of organisms in the ecosystem; organisms which are individual plants of animals

name three divisions of aquatic biomes based on salt content from least to most salty.

freshwater, brackish, and saltwater

what biome characterizes the Great Plains?

grassland