Life and Living - Ecosystems

What is an ecosystem?

• A single species of plants in an area

• A community of living and non-living things interacting

• Only animals living together

• Rocks and soil only

Which of the following is an example of a biotic factor in an ecosystem?

• A rock
• Water
• Sunlight
• Plants

What role do decomposers play in an ecosystem?

• They produce energy through photosynthesis

• They break down dead organic matter

• They compete with plants for sunlight

• They are the primary consumers

Which of the following is an abiotic factor?

• Fungi

• Insects

• Temperature

• Fish

How do plants contribute to an ecosystem?

• By consuming other organisms

• By providing oxygen and food

• By breaking down waste materials

• By competing for resources with animals

What do producers in an ecosystem do?

• Break down dead organisms

• Eat other animals

• Produce energy through photosynthesis

• Only consume other organisms

Which of the following is an example of a decomposer?

• Lion

• Tree

• Fish

• Fungi

What is a food chain?

• A diagram that shows the feeding relationships in an ecosystem

• A community where only plants survive

• A list of all plants in an area

• A cycle of water within the ecosystem

Herbivores eat both plants and animals.

• True

• False

All ecosystems need sunlight to survive.

• True

• False