Ecosystem Roles and Processes

The video explores the interconnectedness of living things in an ecosystem through the transfer of matter. It explains the roles of producers, consumers, and decomposers, and how they contribute to the movement of matter. Producers, like plants, create matter through photosynthesis. Consumers, such as animals, eat plants or other animals. Decomposers, including fungi and bacteria, break down dead matter, returning nutrients to the soil. The video provides examples of these roles in nature, emphasizing the importance of each group in maintaining ecological balance.

What connects all living things in an ecosystem?

• The transfer of matter

• The transfer of energy

• The transfer of water

• The transfer of air

Which of the following is NOT considered matter?

• The ocean

• The sun

• A tree

• A shadow

What process do plants use to get energy from the sun?

• Evaporation

• Transpiration

• Photosynthesis

• Respiration

Why are plants considered producers?

• They decompose dead matter

• They produce energy from the soil

• They consume other plants

• They create matter using sunlight

What is a characteristic of consumers in an ecosystem?

• They produce their own food

• They eat other living things

• They decompose dead matter

• They photosynthesize

Which of the following is an example of a consumer in the woods?

• A blueberry bush

• A mushroom

• A squirrel

• A worm

What role do decomposers play in an ecosystem?

• They produce energy from the sun

• They consume living plants

• They break down dead matter

• They create new plants

Which of the following is NOT a decomposer?

• Worms

• Bacteria

• A bear

• Fungi

What happens to waste from dead plants and animals without decomposers?

• It becomes new plants

• It piles up

• It disappears

• It turns into water

Which of the following helps return nutrients to the soil?

• Producers

• Predators

• Consumers

• Decomposers