5.5 Variation

What is variation?

• Differences between the same species organisms

• Differences between the different species organisms

• Similarities between the different species organisms

• Similarities between the same species organisms

Which one of the following shows continuous variation?

• Blood group

• Height

• Tongue rolling

Which one of the following shows discontinuous variation?

• Eye colour

• Height

• Weight

What type of graph do we use for discontinuous variation?

• Line graph

• Bar chart

• Scatter Graph

Crossing over is one of the genetic factor to cause variation.

• True

• False

What is the example of environmental factor in variation?

• temperature

• crossing over

• mutation

What is the type of variation shown by this graph?

• continuous variation

• discontinuous variation

How many people have blood group AB?

• 20

• 1

• 2

• 6

Continuous variation always shows in quantitative result.

• True

• False

Why do we need variation? (can tick more than one answer)

• To adapt new environment

• For biodiversity

• Easier to identify someone

• Prevent extinction

• No answer