Living or Non Living
Webs and Chains
100

Is the sun a living or non-living thing in an ecosystem?

Non living

100

Why is apex predator at the top of a food chain?

It has no known natural predators.

200

Give an example of a biotic (living) thing an ecosystem.

plants, animals, bacteria

200

An example of a producer in a food chain.

plant, tree, grass

300

What organism(s) does a hawk directly obtain energy from?

snake, mice, rabbits, other small animals

400

Give an example of an abiotic (non living) thing in an ecosystem. 

Air, water, soil, rock, sun

400

The difference between a food web and a food chain.

A food chain shows one single path of energy (Grass → Rabbit → Fox), while a food web shows many interconnected food chains, which is more realistic because most animals eat more than one thing.

500

A decomposer's role in an ecosystem.

Decomposers (like fungi, bacteria, and worms) break down dead plants and animals, returning nutrients to the soil so producers can use them again, recycling everything in the ecosystem.