Includes all the underwater areas on Earth where organisms live; distinguishing features are determined by the availability of sunlight and the concentration of dissolved oxygen & nutrients in the water.

The average weather in an area over a long period of time; described in terms of temperature and moisture.

Refers to the conditions of the atmosphere day to day.

Horizontal lines that separate the major temperature zones (includes the Arctic circle, Equator, etc.)

The period of time each year when it is warm and wet enough for plants to grow.

The number & variety of other organisms in a terrestrial biome; generally increases from the poles to the equator.

A state in which a plant slows down cellular activities and may shed its leaves.

Which terrestrial biome has: arctic, acrid climate; very short growing season; very low biodiversity

Which terrestrial biome has: subarctic climate; short growing season; low biodiversity

Which terrestrial biome has: temperate climate; medium growing season; high biodiversity

Which terrestrial biome has: temperate climate; medium growing season; medium-high biodiversity

Which terrestrial biome has: temperate climate; medium growing season; low-medium biodiversity

Which terrestrial biome has: temperate or tropical climate; varied growing seasons; low-none biodiversity

Which terrestrial biome has: tropical climate; year-round growing seasons; very high biodiversity

Which terrestrial biome has: tropical, semi-arid climate; year-round growing seasons; low-medium biodiversity

Maximum depth of 200 m; top level where enough sunlight penetrates for photosynthesis to occur

Water deeper than 200 m; too little sunlight penetrates for photosynthesis to occur

Aquatic biomes in the ocean.

The narrow strip of land along the coastline that is covered by water at high tide & exposed to air at low tide.

Has water than contains little or no salt; includes standing & running freshwater.

An area that is saturated with water or covered by water for at least one season of the year.

A partially enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the ocean.