break down biotic wastes and dead organisms and return the raw material to the ecosystem

The process of changing free nitrogen into its usable form

The process by which a gas changes into a liquid

__________Take in carbon dioxide gas from the air during the food making process called photosynthesis

Shows the amount of energy that moves from one feeding level to another in a food web

Are consumers that feed directly on the producers

The tallest layer of the rain forest which receives the most sunlight is the

Organisms that live in this biome must be adapted to little or no rain and to extreme temperatures

Permafrost, where the soils is frozen all year occurs in this biome

An area that is populated by grasses and other nonwoody plants is called

A food web that consists of many overlapping food chains is called a

A fox that eats a rabbit that feeds on flowers is called a

The process by which molecule of water change from a liquid into a gas is called

Plants in this level of the rain forest grow well in shade

Trees that shed their leaves and grow new ones each year are called

A savanna is considered to be this type of biome

Boreal Forest have mostly this type of tree

Each level of the Energy Pyramid has only what % of the energy the level beneath it had

Consumers that eat only plants are called

A Squirrel that eats nuts and bird eggs is a

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