Biology for IGCSE & O level - Variation And Selection (Section 1 - No. 31)
Which factor is likely to cause the beetles' different colours?
Beetles change colour to match their surroundings.
Beetles are subject to artificial selection.
Beetles are well camouflaged so that predators cannot see them.
Beetles' diet changes the colour of their outer shell.
Explanation
The color of beetles matches their environment to conceal themselves.
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