TEST: Ecosystem

How much energy passes from one level of the food chain to the next?

• 90%

• 1%

• 10%

• 70%

Which organism has the most energy in the diagram?

• frogs

• grass

• bird

• grasshopper

What do the arrows of a food web represent?

• the direction of energy flow

• who eats who in the food chain

• the organisms that live together

• the distance between organisms

What is a consumer?

• an organism that eats gains energy by eating other organisms

• an organism that produces energy

• an organism that can make its own food

• an organism that lifts weights often

What is the MAIN role of decomposers?

• to release the nutrients within dead organisms

• to convert light energy into chemical energy

• to give energy to organisms that eat them

• they are the top predators in an ecosystem

What is a series of organisms that depend on one another for food called?

• Photosynthesis

• Decomposer

• Food Chain

• Food Web

The non living parts of an ecosystem

• abiotic factors
• biotic factors
• oxygen
• soil

All of the different populations that live in a specific area.

• ecosystem
• habitat
• ecology
• community

An abiotic part of an ecosystem; required by plants to perform photosynthesis.

• water
• soil
• sunlight
• oxygen

The place where an organism lives that provides it with shelter, food and water.

• ecosystem
• population
• community
• habitat