Energy in Ecosystems Quiz

What is the main source of energy for most life on Earth?

• Water

• The Sun

• Soil

• Wind

Which of the following is NOT a characteristic of energy in ecosystems?

• Energy can be created

• Energy flows in one direction

• Energy cannot be destroyed

• Energy changes form

What type of organisms make their own food using sunlight?

• Consumers

• Decomposers

• Producers

• Carnivores

Which group of consumers only eats producers?

• Omnivores

• Carnivores

• Herbivores

• Decomposers

What decreases every time energy is transferred from one organism to another in a food chain?

• The number of organisms

• The speed of energy flow

• The amount of available energy

• The complexity of the ecosystem

What do scientists use to show how energy moves in an ecosystem?

• Energy circle

• Energy square

• Food web

• Energy line

Which of the following is NOT a nonliving part of the environment?

• Rocks

• Water

• Plants

• Temperature

What does a population consist of?

• All living things in an ecosystem

• All organisms of different species in the same area

• All organisms of the same species in the same area

• All nonliving things in an area

What is a biome?

• A single ecosystem

• A type of animal

• A geographic area on Earth that contains ecosystems with similar biotic and abiotic features

• A community of people

Which factor is NOT considered a limiting factor for a population?

• Water

• Food

• Sunlight

• Number of species