a group of ecosystems with similar climates and organisms

the average temperature and precipitation for an area

a dry region that on average receives less than 25 centimeters of precipitation per year

forests in which large amounts of rain fall year-round

a leafy roof formed by tall trees in a rainforest

a layer of shorter trees and vines that grows in the shade of a forest canopy

An area that is populated by mostly grasses and other nonwoody plants that gets 25-75 centimeters of rain per year

a grassland located close to the equator that may include shrubs and small trees, like those found in Africa

a tree that loses its leaves during a particular season and grows new ones each year (ex: oak tree)

dense forest of evergreens that has short, cool summers and bitter winters. Also called taiga or snow forest

a tree that produces its seeds in cones and that has needle-shaped leaves coated in a waxy substance (ex: pine tree)

permanently frozen soil found in the tundra biome climate region

desert, rain forest, savannah, grassland, deciduous forest, boreal forest, and tundra

a nonliving part of an organism's habitat (examples: water, soil, light, and temperature)

a living or once living part of an organism's habitat

an environment that provides the things a specific organism needs to live, grow, and reproduce

the part of Earth where life exists

the study of the interactions of living organisms with one another and their environment

features or traits of an organism that helps it survive in its environment

all the living populations in an area along with the nonliving parts of that environment

a living thing

many organisms have this adaptation in order to blend in to their habitat. Ex. Arctic hare, tigers, lions

an adaptation that allows organisms to live in bitter cold or hot, dry biomes. Ex. camels, polar bears, oak snakes

area above taiga (boreal forest) has permafrost and lacks trees.

the deep sleeplike state that an animal enters for most of the winter

A period of reduced activity that some animals experience in the summer

Ability of an animal to look like another more harmful animal

the act of concealing the identity of something by modifying its appearance

adaptations include the ability to be active and awake at night to avoid daytime heat

store water