Ecosystem Quiz

Which of the following is an example of an ecosystem?

• A single tree

• A forest

• A rock

• A cloud

What role do green plants play in an ecosystem?

• Consumers

• Decomposers

• Producers

• Predators

What process do producers (green plants) use to make their own food?

• Respiration

• Photosynthesis

• Decomposition

• Digestion

What are animals, including humans, classified as in an ecosystem?

• Producers

• Decomposers

• Consumers

• Predators

Choose all that apply: Things that can disturb ecosystems include

• human activities

• a changing climate

• natural disasters

• predators

• invasive species

What do decomposers recycle back into the ecosystem?

• Water

• Nutrients

• Sunlight

• Rocks

What is a food web?

• A single food chain

• Overlapping food chains

• A type of plant

• A type of animal

The MAIN source of energy in almost all ecosystems is from ______.

• Water

• Nutrients

• Sunlight

• Soil

What is the effect of humans on invasive species?

• Humans have no effect

• Humans are responsible for many invasive species

• Humans help reduce invasive species

• Humans only affect native species

This word describes parts of the ecosystem that are NONLIVING, such as sun, air, water, soil, and rocks.

• biotic

• abiotic

• invasive

• plants