Ecosystem Roles and Food Chains

What is the role of producers in an ecosystem?

• They provide shelter for other animals.

• They decompose dead organisms.

• They create their own food from the sun's energy.

• They eat other animals.

In a simple food chain, which of the following is the correct order of energy transfer?

• Sun -> Iguana -> Seaweed

• Sun -> Seaweed -> Iguana

• Seaweed -> Sun -> Iguana

• Iguana -> Sun -> Seaweed

What is a food web?

• A network of overlapping food chains.

• A diagram showing only producers.

• A list of all animals in an ecosystem.

• A single path of energy transfer in an ecosystem.

Which of the following animals is a predator in the Florida Everglades?

• Fish

• Turtle

• Seaweed

• Alligator

What is the relationship between predators and prey in a food web?

• Prey create their own food.

• Predators feed on prey.

• Prey are animals that eat plants.

• Predators are eaten by prey.