Ecosystems Autotroph, Heterotroph, Populationsh

Which of the following is an example of a consumer in an ecosystem?

• A tree

• A lion

• The sun

• A mushroom

What is an autotroph?

• An organism that eats other organisms

• An organism that produces its own food through photosynthesis

• An organism that decomposes dead matter

• An organism that can only survive in water

Which of the following is a heterotroph?

• A grass plant

• An algae

• A rabbit

• A pine tree

What does the term "population" refer to in an ecosystem?

• The total number of ecosystems in a given area

• The total number of species in a given area

• The total number of individuals of a specific species in a given area

• The total number of producers in a given area

Which of the following organisms is NOT a consumer?

• A bear

• A shark

• A wheat plant

• A frog

What is the primary difference between an autotroph and a heterotroph?

• Autotrophs live in water, while heterotrophs live on land

• Autotrophs produce their own food, while heterotrophs consume other organisms for food

• Autotrophs are always larger than heterotrophs

• Heterotrophs can perform photosynthesis, while autotrophs cannot

Which of the following best describes a population in an ecosystem?

• All the plants in a forest

• All the animals in a zoo

• All the rabbits in a meadow

• All the water in a lake

What role do consumers play in an ecosystem?

• They produce oxygen through photosynthesis

• They break down dead organisms and waste

• They eat other organisms to obtain energy

• They absorb sunlight to produce food

Which of the following is an example of a heterotroph?

• A sunflower

• A mushroom

• A cactus

• A seaweed

In an ecosystem, what is the term used to describe a group of the same species living in the same area?

• Community

• Population

• Ecosystem

• Habitat