LIFE PROCESSESLIFE PROCESSES

Looking at living thingsLooking at living things

By the end of this lesson you By the end of this lesson you should be able to:should be able to:

describe the characteristics of a describe the characteristics of a living organism.living organism.

compare the characteristics of plants compare the characteristics of plants and animalsand animals

give definitions of the following give definitions of the following words: Nutrition, excretion, words: Nutrition, excretion, respiration, sensitivity, reproduction, respiration, sensitivity, reproduction, growth and movement.growth and movement.

Living thingsLiving things

Although all living things look different from Although all living things look different from each other, they all have each other, they all have sevenseven things in things in common. common.

These seven things are called These seven things are called life life processesprocesses..

Something is only alive if it does Something is only alive if it does allall seven seven processes.processes.

THE SEVEN LIFE THE SEVEN LIFE PROCESSESPROCESSES

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All living All living things things movemove

Animals move their Animals move their whole bodies to get whole bodies to get from one place to from one place to another.another.

Plants turn towards Plants turn towards the light and their the light and their roots grow down roots grow down into the soil.into the soil.

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All living All living thingsthings

reproducereproduce

Animals have Animals have babies.babies.

New plants grow New plants grow from seeds.from seeds.

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All living All living things are things are sensitivesensitive

All living things All living things respond to changes. respond to changes. Living things notice Living things notice changes in their changes in their surroundings and react surroundings and react to them.to them.

Eg. Plants grow Eg. Plants grow towards the light.towards the light.

Eg. People react to the Eg. People react to the temperature around temperature around them.them.

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All living All living things needthings need

nutritionnutrition

Food is used to provide Food is used to provide energy.energy.

Green plants make their Green plants make their own food using sunlight.own food using sunlight.

Animals eat plants or other Animals eat plants or other animals.animals.

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All living All living thingsthings excreteexcrete

Waste substances Waste substances must be removed must be removed from the body.from the body.

Plants and animals Plants and animals both need to get both need to get rid of waste gas rid of waste gas and water.and water.

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All living All living thingsthings respirerespire

Plants and animals Plants and animals use the oxygen in use the oxygen in the air to turn food the air to turn food into energy.into energy.

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All living All living thingsthings growgrow

Babies grow into Babies grow into adults.adults.

Seedlings grow into Seedlings grow into plants.plants.

Use the first letter from each Use the first letter from each process to help you remember process to help you remember

them.them. MMoveove

RReproduceeproduce SSensitiveensitive

GGrowrowEExcretexcrete RRespireespire NNutritionutrition

They spell They spell MRS GRENMRS GREN

This isThis is MRS GREN MRS GREN !!

Can you remember Can you remember what each of the what each of the letters in her name letters in her name stand for ?stand for ?

MMoveove RReproduceeproduce SSensitiveensitive NNutritionutritionEExcretexcrete RRespireespire GGrowrow

Well done !Well done !