Interactions in Ecosystems

What is a predator?

• An animal that hunts and eats other animals.

• A type of herbivore that only eats plants.

• An animal that scavenges dead animals.

• A creature that lives in water and hunts fish.

What happens to energy in an energy pyramid from one trophic level to the next?

• The total energy available for consumption is reduced.

• The total energy remains constant across levels.

• Energy is created at each trophic level.

• Energy is transferred without any loss.

What is prey?

• An animal that is hunted and eaten by predators.

• A type of plant that consumes insects.

• A predator that hunts other animals.

• A habitat where animals live.

What is an autotroph?

• An organism that produces its own food, such as a sunflower.

• An organism that consumes other organisms for energy.

• A type of plant that requires sunlight to grow.

• An organism that cannot produce its own food.

Which organism has the most available energy?

• Grass.

• Tree.

• Fungi.

• Bacteria.

What is a food web?

• A system of food chains that shows the transfer of energy.

• A single chain of organisms that eat one another.

• A diagram that represents the flow of water in an ecosystem.

• A type of food chain that only includes plants.

What is a decomposer?

• An organism that breaks down dead material and recycles nutrients back into the ecosystem.

• A type of plant that produces its own food through photosynthesis.

• An animal that primarily feeds on living organisms.

• A microorganism that causes diseases in plants.

Why are plants important in an ecosystem?

• They are primary producers that provide energy for all other organisms.

• They consume oxygen and release carbon dioxide.

• They provide shelter for animals but do not produce energy.

• They are the main source of water in the ecosystem.

What is a producer in an ecosystem?

• An organism that can make its own food, typically plants.

• An organism that consumes other organisms for energy.

• An organism that decomposes organic material.

• An organism that relies on sunlight for photosynthesis.

What is a herbivore?

• An organism that gets energy from eating only plants.

• An organism that eats both plants and animals.

• An organism that primarily consumes meat.

• An organism that can survive without food.