jueves, 9 de septiembre de 2010

Life processes

Trere are three basic life processes:
NUTRITION
Living things eat food, which contains nutrients.
Nutrients are substances which provide energy.
SENSITIVITY
Living things react to their environment.
REPRODUCTION
Living things have offspring.
Many living things need a mate to reproduce.
New living things replace the ones which die.

Living and non-living things

In nature, there are living things and non-living things.

People,animals and plants are living things.

Rocks, air and wind are non-living things.

Living things have the following characteristics:
- They are born from other living things.
- They eat.
- They react to their environment.
- They grow.
- They reproduce.
- Finally, they die.