Biomes

The first species to enter an ecosystem is called a(n) __________ species.

Very cold biome. Only plants here are mosses and lichens.

The physical area where an organism lives is called its:

When two organisms live in close association with one another, it is called ________.

Which biome is characterized by having a layer of permafrost?

The prairie is another name for ___________.

Trees that lose their leaves in fall are called:

The Greenhouse effect causes the Earth to be:

Soil, temperature and sunlight are all:

Rainforests receive more _____ than other biomes.

How long does it take for the earth to make a complete revolution around the sun?

The layer of tropical rain forest below the canopy is the _________.

The area where a river meets the ocean.

In a tropical rain forest, the dense covering formed by the leafy tops is called _______.

Trees that do not lose their leaves in the fall are called __________ .

An area of the Earth characterized by a certain climate and animal life is called a(n)

A chaparral is an area dominated by:

The average year round conditions in an area refer to its:

Biome in California area subject to wildfires.

A whales dies in the ocean and falls to the ocean floor, this triggers the first step in:

The Arctic and Antarctic are found in the ______ zone.

All biotic and abiotic factors in an area make up the __________.

Competition occurs as a result of:

A boreal forest is also called a(n) ________.

Areas where water covers the soil.