HMH Unit 11 Lesson Review

What is the process by which plants make their own food using sunlight?

• Photosynthesis

• Respiration

• Germination

• Pollination

How does photosynthesis contribute to the food chain?

• It provides energy for plants, which are the base of the food chain.

• It helps animals digest their food.

• It breaks down dead organisms.

• It stores water in plant roots.

Identify the term used to describe animals that eat only plants.

• Carnivores

• Herbivores

• Omnivores

• Decomposers

Which of the following is a simple food chain?

• Grass → Rabbit → Fox

• Sun → Water → Soil

• Tree → Bird → Nest

• Flower → Bee → Honey

Explain why leaves are important for a plant's survival.

• They provide support to the plant.

• They absorb sunlight for photosynthesis.

• They protect the plant from predators.

• They store water for the plant.

How do animals like frogs adapt to their environment during winter?

• They migrate to warmer areas.

• They hibernate to conserve energy.

• They change their diet to survive.

• They grow thicker fur.

Predict what might happen to a plant if it does not receive enough sunlight.

• It will grow faster.

• It will produce more flowers.

• It will become weak and may die.

• It will change color to red.

Analyze how the removal of one species from a food chain can affect the entire ecosystem.

• It will have no effect on the ecosystem.

• It can lead to overpopulation of another species.

• It will cause all species to become extinct.

• It will improve the ecosystem's health.

What is the role of decomposers in an ecosystem?

• They produce food for plants.

• They break down dead organisms.

• They pollinate flowers.

• They provide shelter for animals.

Which of the following is an example of a non-living component of an ecosystem?

• Tree

• Rock

• Bird

• Fish