Ohio 5th grade Science Test Review Ecosystems created 2017-18

Front

What is a food chain?

Back

A food chain is a sequence that shows how energy is transferred from one organism to another in an ecosystem, starting from producers to various levels of consumers.

Front

What are producers in an ecosystem?

Back

Producers are organisms, like plants, that create their own food through photosynthesis and form the base of the food chain.

Front

What happens to predators if their prey population decreases?

Back

If a prey population decreases, predators may look for alternative food sources or they may die out due to lack of food.

Front

What are carnivores?

Back

Carnivores are animals that primarily eat other animals.

Front

What is an omnivore?

Back

An omnivore is an animal that eats both plants and animals.

Front

What is a food web?

Back

A food web is a complex network of interconnected food chains in an ecosystem, showing how energy flows between different organisms.

Front

What role do herbivores play in an ecosystem?

Back

Herbivores are animals that eat plants and serve as primary consumers in the food chain.

Front

How do energy needs of owls relate to their food sources?

Back

Owls get their energy needs from consuming animals like mice and grasshoppers.

Front

What is the significance of nutrients in an ecosystem?

Back

Nutrients are essential substances that organisms need to grow and survive, and they cycle through the ecosystem.

Front

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

Back

A food chain is a linear sequence of energy transfer, while a food web is a more complex representation of how various food chains are interconnected.