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BIOLOGY

JAMB 2005 - Question 48

Biology 2005 JAMB Past Questions - Question 48: When an animal has a dark-coloured dorsal surface and a light-coloured ventral surface, this is an adaptation called

Choose the most appropriate option for the gap .

When an animal has a dark-coloured dorsal surface and a light-coloured ventral surface, this is an adaptation called

A: concealment coloration

B: counter shading

C: colour blending

D: disruptive coloration

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Correct Answer

Explanation

B— Counter shading is common in fishes.They possess light silvery ventral surface to blend with the light fallingfrom above The dorsal surface of the fish blends with their shadow or water underneath the fishes. This makes the fishes to remain undetected in their habitats.