Living Things

Plant and animal bodies are made up of cells, which are often organised as tissues and organs to carryout important life processes.

Living thing have different levels of complexity and organisation. they can vary from a single cell to a whole organism.

Life Processes: What are they? They are the things that happen inside a living organism

FACT:

They are living because of life processes or activities that happen inside them.

Process	Things that happen inside the body
Respiration	Transfer of ENERGY from the FOOD to the organism
Nutrition	Makes available RAW MATERIALS & ENERGY for body processes
Sensitivity	Response to changes in/or outside the body. respond to stimuli.
Movement	Animals can move parts of their body or even their whole body from one place to another. Plants can't move from place to place, but can move slowly by growing in a certain direction.
Reproduction	Organisms must produce new off-springs to replace the dying ones in the population.
Growth	An increase in size, because of increase in the number and size of cells. Animals have limitation on their size, however plants carry on growing.
Excretion	Organisms are like factories. Raw materials are constantly being taken in and used to produce ENERGY and other useful substances. Some of the products are harmful and useless. They are got rid of by the body. This is called excretion!

For life processes to occur continuously the body systems must adjust to changes so that the conditions inside the organism are just right.

Tags:Living things, Excretion, Growth, Reproduction, Movement, Sensitivity, Nutrition, Respiration