6th Grade Category 4 Review

What is the primary source of energy in a food chain?

• Water

• Sun

• Soil

• Plants

What does an energy pyramid show?

• Weather patterns in an ecosystem
• Population dynamics in an ecosystem
• Energy flow through different trophic levels in an ecosystem
• Geographical distribution of species in an ecosystem

According to the energy pyramid, which level has the most energy?

• Top Consumer

• Secondary Consumer

• Primary Consumer

• Producer

How are producers and top-level consumers related in terms of energy flow?

• Producers convert sunlight into energy, which is consumed by top-level consumers.
• Producers and top-level consumers do not interact in terms of energy flow
• Top-level consumers convert sunlight into energy
• Producers consume energy from top-level consumers

What is the primary source of energy for producers in an ecosystem?

• Water

• Sun

• Soil

• Animals

Which of the following is an example of a consumer?

• Algae

• Shark

• Grass

• Sun

What role does a parasite play in an ecosystem?

• It provides energy to other organisms.

• It helps in the process of photosynthesis.

• It lives in or on another organism and causes harm to it.

• It produces its own food using sunlight.

Which of the following best describes the role of a predator?

• An organism that is hunted and killed for food.

• An organism that hunts and kills other animals for food.

• An organism that lives on another organism without harming it.

• An organism that synthesizes its own food from sunlight.

Identify the host in the provided food web.

• Rabbit

• Flea

• Hawk

• Snake

What are biotic factors in an ecosystem?

• Non-living components that vary among ecosystems

• Living or once living parts of an ecosystem

• Only animal species in an ecosystem

• Chemical factors such as pollution