Unit 1 Living Things Natural Science 3ºlast

7/23/2019 Unit 1 Living Things Natural Science 3last

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Unit 1LIVING THINGS


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Living things and Non- living things

fish Rocks Plant

Fishing rod

algae crab


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What are the differences between Living things and Non

Living things are born.

Living things grow .

Living things die.

Living things perform thethree vital functions:

NUTRITION

RELATION

REPRODUCTION

Non-living things arNon-living things do

Non-living things do

Non-living things do

the three vital func

LIVING THINGS

NON-LIVING THDOLPHIN


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How can we classify living thing?

We can classify living things into five groupas kingdoms. These five kingdoms are form

plants, fungi, animals, algae and protist an

plants, fungi, animals, algae protis


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How can we classify living things?

We can classify living things into five kingdomThese five kingdoms are formed by

plants, fungi, animals, algae and protist and ba


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Plant kingdom Plants use air, water and light to ma

Plants dont have sense organs.

Plants cannot move from one placebecause they are attached to the gr

by their roots.

seed

cannot walk

https://www.youtube.com/watch
https://www.youtube.com/watch?v=EKx4ZwoJqXYhttps://www.youtube.com/watch?v=EKx4ZwoJqXYhttps://www.youtube.com/watch?v=EKx4ZwoJqXY


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What do plants use to make their own food?

Plants use air, water and sunlight to make their own food.

Why cant plants move?

Plants cant move because they are attached to the ground

What are the parts of a plant?

The parts of a plant are stems, leaves and roots.


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Leaves make food

for the plant.

The petiole connect the

blade and the stem.

The blade is the flat part

of the leaf.

The petiole

The blade

Parts of a plant

The stem grow above

The stem supports b

The stem carries watThe stem transports

part of the plant.

The stem of a tree is

STEM

ROOTSRoots grow un

Roots keep th

in one place.

Roots absorb w

minerals to m


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The vital functions of a plantsPlants perform three vital functions in order to grow and live.

Nutrition:Plants make their food .

Photosynthesis:

Plants absorb sunlight,

carbon dioxide,

water and minerals.

Plants release oxygen

into air.

Respiration:

Plants absorb oxygen.

Plants release carbon

dioxide into air.

Intera Plants

the envi Some

towards

Repro Plants re

Plants re

of the same


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What three vital functions do plants perform in order to grow

Plants perform three vital functions in orderand live. These vital functions are nutrition,

and reproduction.

Plant classification


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Plant classification

Flowering plants Non-flowerThey reproduce through

flower, fruits or seeds.

birch

rose

(abedul)

They dont have f

fruits or seeds.

They reproduce th

Mosses and ferns

non- flowerings p

moss

sunflower


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ROSE


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BIRCHABEDUL


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SUNFLOWER


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MO(musg


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FERN (helecho)

Woody and herbaceous plants


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Woody and herbaceous plants

Woody plants Herbaceo

Woody plants have hard stem.

Woody plants are divided into:

Trees bushes

Birch wild rose

Herbaceous plathin and flexibl

Wheat


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FFungi get their food from other living things.They dont have sense organs.They cant move from one place to another.

mould

mushrooms

Other fungi are microscopic . For exmaple yeast.

They cant be seen with the naked eye.


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Where do fungi get their food from?

Fungi get their food from other living thi

l Find food


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AnimalsAnimals get their food

from other living things.

Most animals can move around in order to

Find food

Reprod

Some animals give birth to their young.

Other animals lay eggs.


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Why do most animals move around?

Most animals move around in order to find food

shelter and reproduce.


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Animals carry out three vital functionsin order to l

Animals need energy that come from food.

Food contains nutrients. Through the process

of nutrition animals transform nutrients into

energy.

Animals cannot make their own food.

Herbivore animalsget their food from plants.Carnivore animalsget their food by eating

other animals.

Omnivore animalsget their food from animals

and plants .

NUTRITION

Omn

Carn


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Where do herbivores, carnivores and omnivores get

food from?

Herbivores get their food from plants, carnivores get

food from other animals and omnivores get their foo

animals and plants.

Reproductio


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RelationReproductio

Human beings and animals

interact with the world aroundthem.

When animals are hungry,

they hunt other animals.

Living things can make othe

Lions get birth to lions cubs.

This process is known as rep

types of reproductio

Oviparous viv

Animal classification.


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Animal classification.

Animals can be verbebrate or invertebrate Vertebrate animals have backbone.

Vertebrate animals have an internal skeleton.

Vertebrete animals have a lot of bones.

Vertebrete animals can be oviparous and viviparous. Nearly all vertebrate animals have limbs such as feet,

wings and fins.

backbone

I t b t i l


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Invertebrate animals.

Invertebrate animals dont have internal

skeleton or bones.

All invertebrate animals are oviparous.

A snail is an invertebrate aniA snail is an oviparous anima

Algae


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AlgaeAlgae are protist. Algae live

Algae make their own food.

Algae dont have ro

Protists


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ProtistsProtozoa are microscopic protists that feed on othe

Protozoa can live in different habitats.

Ameboa and paramecium are examples of protozoa.

ameboa


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Bateria

Bacteria are microscopic organisms that can live in differe

Some bacteria make their own food.

Other bacteria get their food from other beings.

Ecosystems


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Ecosystems

A Habitat is the place where it is natural for an animplant or other organism to live within an ecosystem.

Different habitats have

different conditions such

as temperatura, light, air,

water or type of soil.These conditions are

known as an environment.

All living things interact in an ecosystem


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A populationis madeIndividuals that belon

species.

A communityisvarious populat

on one another

habitat.

12

3

4


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populationspecies comm

An ecosystem is ma

all the living things

that inhabit a art


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Food chain


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Food chainA food chain shows the feeding relationship

between the different organisms within an ec

The lion eats the deer.The deer eats the

plant.

The plant needs water,

air and sunlinght togrow .

Unit 1 Living Things Natural Science 3ºlast

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