Ecosystem Quiz

Which of the following best describes an ecosystem?

• A single species of plants and animals living together

• The interactions between living and nonliving things in an environment

• A large group of people living in a community

• A man-made structure for growing crops

What is a producer in an ecosystem?

• An animal that hunts for its food

• A plant that produces its own food through photosynthesis

• A decomposer that breaks down organic matter

• A scavenger that feeds on dead animals

Which of the following is an abiotic factor in an ecosystem?

• Trees and grass

• Sunlight and temperature

• Wolves and deer

• Birds and insects

What is the role of decomposers in an ecosystem?

• They produce their own food through photosynthesis

• They break down dead plants and animals, recycling nutrients

• They hunt and eat other animals for food

• They provide energy to the producers in the ecosystem

How do food chains represent the flow of energy in an ecosystem?

• They show the movement of predators within a community

• They display the seasonal changes in plant growth

• They illustrate the transfer of energy from one organism to another

• They demonstrate the competition between different species

Which of the following is a biotic factor in an ecosystem?

• Soil and water

• Sunlight and air

• Plants and animals

• Rocks and minerals

What is a habitat in an ecosystem?

• The process by which animals capture prey

• The interactions between different species in a community

• The physical place where an organism lives and obtains resources

• The relationship between plants and soil

How do invasive species impact an ecosystem?

• They help to maintain the balance of the ecosystem

• They introduce new competition and can harm native species

• They increase biodiversity in the ecosystem

• They have no effect on the ecosystem

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

• Food chains show the flow of energy, while food webs show the flow of nutrients

• Food chains are more complex than food webs

• Food webs represent single paths of energy flow, while food webs show multiple interconnected paths

• Food webs include only producers and consumers, while food chains include decomposers

What do herbivores eat in an ecosystem?

• Other animals

• Both plants and animals

• Only plants

• Only other herbivores