Cycles of Matter & Biomes

What are the two main groups of decomposers?

Bacteria live on the roots of plants, plants receive nitrogen, bacteria a home.

Howdoes matter move throughout our ecosystems?

The land biome that contains the most diverse group of plants and animals?

The step of the water cycle when waterchanges into a gas?

What process of the carbon/oxygen cycles uses oxygen from the atmosphere?

The layer of soil, in the tundra, that remains frozen all year is called…?

This biome is called the tropical rainforest of the marine biome because it is so diverse.

This biome is similar to temperate grassland but closer to equator, scattered trees, more rain.

Four distinct seasons. Trees shed their leaves during the coldmonths and later grow new ones.

Trees have cones and adapted leaves, called needles. Mild summersand very cold/snowy winters.

An organism that can make its own food through photosynthesis is called…?

The climate of an area is mostly determined by these two factors?

Covers large areas of central North America, no trees, can also behome to many large herbivores

What is the process by which nitrogen gas is transformed into a nitrogen compound by bacteria?

What process of the Carbon/Oxygen Cycle uses the carbon dioxide from the atmosphere?

What changes free nitrogen into fixed nitrogen?

Anextremely cold and dry land biome?

Whattransforms nitrogen gas(free) into a form that plants/animals/humans can use?

Nitrogen, as a compound, that has been changed by bacteria & absorbed by a plant/animal is...

A group of ecosystems with similar climate, plants & animals is called

Which biome is where freshwater rivers meet and mix with saltwater oceans?

What part does an animal play in the nitrogen cycle?

Three examples of precipitation.

Nitrogen, as a gas, in the atmosphere is called

Thestep of the water cycle when water vapor turns back into liquid water?

Howdo most animals & humans get their nitrogen?

Aland biome that receives less than 25cm of precipitation each year?

This is the world's largest biome and is divided into four major zones.

Average temperatures and annual precipitation amounts describe a biome's