cuadernillo de natural science.pdf

8/20/2019 CUADERNILLO DE NATURAL SCIENCE.pdf

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TASK Name three living things and three

non living things

Cells differ in shape and size.

They carry out different

tasks. Cells have three main

parts:- The membrane is the

covering around the

cell.

- The nucleus is the part

which controls the cell.

- The cytoplasm is

between the nucleus

and the membrane. Plants cells also have a hard

cell Wall around the

membrane.CELLS

TASK Draw the animal cell

and the plant cell.

https://www.youtube.com/watch?v=nR-lsNDVhcYhttps://www.youtube.com/watch?v=nR-lsNDVhcYhttps://www.youtube.com/watch?v=nR-lsNDVhcYhttps://www.youtube.com/watch?v=nR-lsNDVhcY


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Living things are classified into groups called kingdoms. The principal kingdoms are the

animal kingdom, the plant kingdom and the other kingdoms such as the fungi kingdom.

Others are bacteria, virus and protist.

Animals are multicelular living things that eat

other living things. They can move from one place

to another, and they can react quickly to stimuli.

To do this, they have a nervous system and sense

organs.

Plants are multicellular living things that use

sunlight and substances from the soil and air to

make their own food. Plants cannot move around

because they are fixed to the ground.

Fungi can be unicellular, but most are

multicellular. Like animals, fungi do not

make their own food. They depend on

other organisms for food.


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Bacteria are the most abundant of all living things.

Bacteria are the smallest living things. Bacteria are

unicelullar and can live in different environments: in

wáter, soil, air or inside other living things.

Viruses are so small and simple that scientists cannot

agree if they are living things or not. For this reason,

they are not included in any of the five kingdoms.

Viruses can only reproduce inside other living things.

They cause illnesses.

TASK Classify these organisms.


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cuadernillo de natural science.pdf

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