Living Things
Ecosystems
Food Chains
Food Webs
Roles in an Ecosystem
100

What the letter 'm' stands for in the MRS C GREN mnemonic.

What is movement?

100

A community of living things of multiple species and their environment.

What is an ecosystem?

100

In the chain Grass → Rabbit → Hawk, what eats the rabbit?

What is the hawk?

100

The definition of a food web

What are multiple interconnected food chains?

100

An animal that only eats plants

What is a herbivore?

200

Two characteristics that all living things share.

Any two from movement, respiration, sensitivity, cells*, growth, reproduction, excretion, nutrition.

200

What Māori concept describes the life force or health of an ecosystem?

What is mauri?

200

The main source of energy in any food chain.

What is the sun?

200

The organism at the 'top' of a food web

What is an apex predator?

200

An organism that makes its own food

What is a producer?

300

A seed lying dormant does not appear active. Which characteristic of living things helps show it is still alive?

What is growth or respiration?

300

Planting native trees along a stream is an example of what type of activity?

What is a sustainable activity?

300

The organism in a food chain that creates its own food.

What is a producer?

300

The reason why one prey species going extinct might not also drive a predator to extinction.

It may have other food sources in the web.

300
An organism that breaks down dead organisms for nutrients

What is a decomposer?

400

Respiration in living things is the process of using O2 or CO2 to do what?

What is processing glucose* into a short-release energy form such as ATP?

400

If pollution enters a river, what is likely to happen to its mauri?

It decreases/weakened.

400

Create a food chain involving 4 animals. You have 30 seconds.

Any valid answer.

400

Which is usually more stable: a food chain or a food web?

What is a food web?

400

The classification of each organism: grass, rabbit, hawk.

What are producer, herbivore, carnivore?

500

Cars can move and use fuel for energy, what features do they lack that stops them from being considered alive?

What are reproduction, growth, and/or cells

500

Explain one adaptation that helps an animal survive in its habitat.

Any valid adaptation and explanation.

500

The reason all food chains begin with a producer

Producers capture energy from the Sun and provide energy for the rest of the chain.

500

Explain why removing one species can affect many others in a food web.

Species depend on one another for food and energy.

500

The reason there are usually more producers than top predators in an ecosystem?

Energy is lost at each feeding level, so many producers are needed to support fewer predators.