Ecosystems & Food Chains

A living thing that can make its own food using sunlight is called a ...

An animal that eats plants directly is called a ... consumer.

The living things that break down the remains of dead organisms are ...

Look at this food chain: rice - rat - snake - eagle. In this food chain, the snake acts as ...

In a field there is the food chain rice - rat - snake - eagle. If people hunt many snakes, what is most likely to happen?

An animal that eats both plants and meat is called a ...

The sequence of eating and being eaten in an ecosystem is called a ...

Living things together with their environment, interacting with one another, form an ...

An animal whose main food is meat is called a ...

A collection of interconnected food chains is called a ...

In a field ecosystem, an eagle that preys on snakes acts as ...

An example of mutualism is ...

The relationship between a louse and a human is ... symbiosis.

The role of green plants as producers in an ecosystem is to ...

If all decomposers in an ecosystem disappeared, the most likely result is ...

Photosynthesis in green plants requires ...

If many snakes in a field are hunted, the most likely result is ...

Which group belongs to the nonliving (abiotic) components of an ecosystem?

An ecosystem's balance can be disturbed if ...

An example of an ecosystem change caused by humans is ...