Unit 8 Ecosystems

This is the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.

• Physics
• Ecology
• Chemistry
• Psychology

It is a biological community of interacting organisms and their physical environment.

• Ecosystem
• Biotic System
• Abiotic System
• None of the choices

What is the term used to describe all living things in an ecosystem?

• Biotic Factors
• Abiotic Factors
• Environmental Factors
• Population

What is the term used to describe all non-living things in an ecosystem?

• Biotic Factors
• Abiotic Factors
• Environmental Factors
• Population

These are organisms that creates their own food such as plants and trees.

• Population
• Community
• Producers
• Consumers

When a plant is eaten by a grasshopper, the grasshopper is called

• Producer
• Primary consumer
• Secondary consumer
• Tertiary consumer

When a plant is eaten by a caterpillar and the caterpillar is eaten by a frog, the frog belongs to

• Producer
• Primary consumer
• Secondary consumer
• Tertiary consumer

When a plant is eaten by a caterpillar and the caterpillar is eaten by a frog, and the frog is eaten by a snake, the snake belongs to

• Producer
• Primary consumer
• Secondary consumer
• Tertiary consumer

When the animal dies, what do you call those organisms that break them down?

• Producers
• Decomposers
• Consumers
• None of the choices

What do you call those organisms that feed on dead plants and animals? An example of these are mushrooms

• Bacteria
• Grass
• Virus
• Fungi