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Biology, Science
7th -
9thgrade
Continuous and Discontinuous variation
15 questions
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- 1. Multiple Choice
What is the scientific word that refers to the differences within a species?
variation
characteristics
features
inheritance
- 2. Multiple Choice
What causes variation?
inherited factors only
environmental factors only
inherited and environmental factors
- 3. Multiple Choice
Which two characteristics show variation as a result of inherited factors only?
blood group
pierced ears
number of freckles
natural eye colour
height
- 4. Multiple Choice
Which two characteristics show variation as a result of environmental factors only?
blood group
pierced ears
Scar
natural eye colour
height
- 5. Multiple Choice
Which two characteristics show variation as a result of a combination of both inherited and environmental factors?
blood group
pierced ears
number of freckles
natural eye colour
height
- 6. Multiple Choice
For which type of variation can a measurement have any numerical value?
continuous variation
discontinuous variation
- 7. Multiple Choice
For which type of variation are differences grouped into categories?
continuous variation
discontinuous variation
- 8. Multiple Choice
If you were to investigate the height of everyone in your class, what type of data would you be gathering?
continuous variation
discontinuous variation
- 9. Multiple Choice
If you were to investigate the eye colour of everyone in your class, what type of data would you be gathering?
continuous variation
discontinuous variation
- 10. Multiple Choice
Which three features show discontinuous variation?
blood group
height
foot length
eye colour
gender
- 11. Multiple Choice
Which Two features show continuous variation?
blood group
height
foot length
eye colour
gender
- 12. Multiple Choice
How should the data in the table shown be presented?
scatter graph
bar chart
histogram
- 13. Multiple Choice
Why should the data in the table shown be presented in a bar chart?
The data is numerical.
The data is in categories
- 14. Multiple Choice
Features with continuous variation have a normal distribution curve, which is shown by the bars on the graph. What shape do the bars form when there is normal distribution?
straight line
s-shaped curve
bell-shaped curve
- 15. Multiple Choice
Which two scattergraphs show a correlation (relationship) between the two plotted variables?
scattergraph A
scattergraph B
scattergraph C
scattergraph D
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