Chapter 16: ECOSYSTEM

Definition of Ecosystem:

• Related to ecologi system, i.e. interaction process between living things and non-living things existed in natural environment.

ABIOTIC

Ecosystem Component

BIOTIC

Consists of nature essentials that provide various resources to living things such as sunshine, soul, water, air and stones.

ABIOTIC

Consists of living things that divided in some kinds i.e. producer, consumer and bacteria(decomposed).

BIOTIC

Food Chain in Ecosystem

All ecosystem depend on energy resources which get from the sunshine.

Energy moving process in ecosystem can be seen in food chain.

Example of Food Chain

Grass

Grasshopper

Frog

Snake

Bacteria

Food Web

In one’s ecosystem, the more complex food chain will become layers called ‘food web’.

Example of Food Web

•Grass

»Goat

Rabbit

Tiger

HumanEagle

Fox

Chicken

Worm