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Variation

Variation

Assessment

Presentation

Science

7th - 8th Grade

Medium

Created by

Kieran Lockyer

Used 7+ times

FREE Resource

14 Slides • 12 Questions

1

Variation

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2

Learning Objectives


-         Define variation as differences between individuals in a species.

-         State that there is variation within a population and give examples.

-         State that variation is caused by genetic and environmental factors.

-         State the definition of discontinuous and continuous variation.

-         Draw bar charts with axis provided - model using visualiser.

3

Multiple Choice

What piece of equipment would you use to measure 50 cm3 of acid

1

Measuring Cylinder

2

Balance

4

Multiple Choice

Which of these have kenetic energy?

1

A person running

2

A parked car

5

Multiple Choice

What is the dependent variable

1

The variable you are changing or testing

2

The Variable you are measuring

3

The variable you keep the same

6

Variation

Why we all look so different

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7

We are all human

But there are differences between us, this is called variation

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8

Variation also happens in plants and animals


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9

Species

"Any animal/human or plant that can reproduce with each other to produce offspring that will also be able to reproduce"

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10

Sexual reproduction introduces variation into a species. This is because the offspring inherit a mixture of DNA from the mother and the father.


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11

Genetic (inherited) variation

"Differences between organisms (animals/humans or plants) caused by differences in the DNA they inherit from their parents."

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12

Multiple Choice

How much DNA is in the Egg and Sperm

1

30/70

2

40/60

3

50/50

13

Environmental Variation

Differences between organisms caused by environmental factors

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14

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15

Multiple Choice

Eye colour is

1

Genetic variation

2

Environmental variation

16

Multiple Choice

Height

1

Genetic variation

2

Environmental variation

17

Multiple Choice

Tatoos

1

Genetic variation

2

Environmental variation

18

Multiple Choice

Hair Length

1

Genetic variation

2

Environmental variation

19

Multiple Choice

Natural Hair colour

1

Genetic variation

2

Environmental variation

20

Multiple Choice

Language

1

Genetic variation

2

Environmental variation

21

Multiple Choice

Gender

1

Genetic variation

2

Environmental variation

22

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23

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24

Poll

What is your eye colour?

Blue

Green

Brown

Yellow

25

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26

Continuous and Non Continuous Variation

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Variation

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