Ecosystem Quiz

What is the primary role of producers in an ecosystem?

• They consume other organisms for energy.

• They break down dead organisms.

• They create their own food through photosynthesis.

• They provide shelter for animals.

Which of the following best describes a food chain?

• A series of organisms each dependent on the next for food.

• A network of interconnected food webs.

• The movement of water through an ecosystem.

• The process by which plants convert sunlight into energy.

What happens if a top predator is removed from an ecosystem?

• The ecosystem becomes more stable.

• The populations of prey species may increase dramatically.

• The producers become less abundant.

• The ecosystem will be unaffected.

In a food web, what is the ultimate source of energy for all organisms?

• Other animals

• Water

• Sunlight

• Soil

How do decomposers contribute to an ecosystem?

• By making their own food.

• By consuming living plants and animals.

• By breaking down dead organisms and recycling nutrients.

• By providing shelter for animals.

Which organism would be considered a primary consumer in a food web?

• A lion

• A deer

• A mushroom

• A hawk

Why are plants considered important to all food chains?

• They are decomposers that recycle nutrients.

• They are the first to receive energy from the sun.

• They are the top predators in the food web.

• They provide shelter for animals.

Which of the following is an example of a secondary consumer?

• A rabbit

• A sunflower

• A fox

• A bacteria

What is the primary difference between a food chain and a food web?

• A food chain shows a single path of energy flow, while a food web shows multiple interconnected paths.

• A food chain shows the movement of water, while a food web shows the movement of energy.

• A food chain includes only plants, while a food web includes only animals.

• A food chain and a food web are the same thing and can be used interchangeably.

How do plants and animals interact in an ecosystem?

• Plants provide oxygen, and animals provide carbon dioxide.

• Plants eat animals, and animals eat plants.

• Plants decompose animals, and animals produce soil.

• Plants and animals do not interact in an ecosystem.