What is the mixture of small rock and mineral particles?

Which one of the following is NOT an abiotic factor?

Ecology is the study of how __________ interact with their environment and all the other ____________ that live in that environment.

Which one is NOT an example of a marine biome?

What kind of trees drop their leaves as winter approaches and grow new ones in spring?

A Tundra and Tagias are biomes found toward the middle latitudes.

A food chain describes the feeding relationship between a producer and a single chain of consumers in an ecosystem.

Which biome is near the equator?

A deep layer of permanently frozen soil that lies just below the surface soil is called

What is the producer in the food chain?

grass - caterpillar - bird - snake

What is the tertiary consumer in the food chain?

grass - caterpillar - bird - snake

What is the primary consumer in the food chain?

grass - caterpillar - bird - snake

Fossil fuels are the remains of plants and animals that have decayed for millions of years.

What contains more carbon than the air?

To release energy in food, organisms break down the carbon compounds through ____________.

Three of the most important cycles in an ecosystem are water, carbon and hydrogen.

What is it called when water changes into vapor?

Which process is not part of the water cycle?

Four abiotic factors that can affect an ecosystem are temperature, light, soil and water.

An ecosystem can only be as large as a desert.

The animals in the deep ocean either feed on other animals or on material that falls down from the upper ocean.

What is another name for marine biomes?

The lower end of a river feeds into the ocean where fresh and salt water mix.

Which is NOT a common broadleaf tree in North America?

These trees have needlelike leaves that produce food all year long.

What describes the long-term weather patterns of a region, such as yearly rainfall?

How many land biomes are there on Earth?

What do we call animals that eat dead animals?

What organisms break down dead plant and animal matter into simpler compounds?

What puts nitrogen in the air?

Which is NOT an example of precipitation?

What two elements make up water?

A ____________ is a series of events that happen over and over again.

All living things need _________ to carry out life processes.

Temperature can affect the _________ of animals.

Name of living parts in an ecosystem.