Biology 9 th grade

Biome

regional or global community of organisms characterized by the climate conditions and plant communities that thrive there

climate

average long-term weather pattern of a region

Latitude

A measurement of distance from the equator, expressed in degrees north or south

Equator

The center plane of the spindle in a diving cell to which chromosomes divide and migrate during metaphase and

Precipitation

Any liquid or frozen matter that forms in the atmosphere and falls to the earth

Tundra

biome found at far northern latitudes where winters last as long as ten months per year

Taiga

biome with long and cold winters, lasting up to six months; also called a boreal forest

Grassland

A biome where grasses are the main plant life

Desert

biome characterized by a very dry climate

tropical rainforest

A area of tall mostly evergreen trees and a high amount of rainfall

temperate deciduous forest

Located in the mid latitude areas which means they are found between the polar and tropic regions

Permafrost

permanently frozen layer on or under the earth surface

coniferous

tree that retains its needles year-round and reproduces with cones

deciduous

tree that has adapted to winter temperatures by dropping its leaves and going dormant during the cold season

conopy

dense covering formed by the uppermost branches of trees

Understory

A layer of shorter plants that grow in the shade of a forest canopy.

forest floor

the bottom layer, or ground, of a forest

Epiphytes

plants that grow on other plants