Starter quiz
There are differences between these four individuals of the same species of giraffe. What is the scientific term for these differences?- biodiversity
- inheritance
- natural selection
- variation ✓
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Giraffes eat leaves from trees, but there is a limited number of leaves. The giraffes are in ______ for the leaves.- 'competition' ✓
- Which giraffe has an advantage in the competition for food?
- The giraffe with the longer neck ✓
- The giraffe with the shorter neck
- Neither giraffe has an advantage
- Both giraffes have the advantage
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- Which giraffe is the best adapted to survive?
- The giraffe with the longer neck ✓
- The giraffe with the shorter neck
- Neither giraffe is well adapted to survive
- The two giraffes are equally well adapted to survive
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- Which giraffe would scientists describe as the fittest?
- The giraffe with the longer neck ✓
- The giraffe with the shorter neck
- Neither giraffe
- Both giraffes are equally fit
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- Put the statements in order, to explain why giraffes with longer necks became more common in the population.
- 1⇔There was variation between the giraffes.
- 2⇔Long neck giraffes were better adapted to compete for food, so had an advantage.
- 3⇔Giraffes with longer necks were more likely to survive and reproduce.
- 4⇔They were more likely to pass on the genes for a longer neck to their offspring.
- 5⇔Longer necks became more common in each new generation of giraffes.
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