Question 25

XH-B1MSQ2 marksNeeds review
Shark’s teeth have evolved to correspond to the diet of each particular species of shark. Consequently, the teeth of the great white shark bear little resemblance to those of the bull shark or nurse shark. There were essentially four different shark diets and thus four varieties of shark teeth. Sharks that feed on fish have needle like teeth, perfect for spear and rip. Sharks that eat mammals such as seals and sea lions have heavy, serrated teeth, typically triangular on the upper jaw and pointed on the lower jaw. Shark that feed in the benthic zone of the ocean have flattened teeth for crushing the shell of the creatures they find scuttling in the sand or cling to rocks. Sharks that bask have teeth that are largely non-functional; these sharks filter food from the water by passing it through their gills.
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2022XH-B1

GATE XH-C5 2022 · Paper 1

Humanities and Social Sciences (Psychology) · Original paper archive

Section
Section XH-B1
Question type
Multiple select (MSQ)
Marks
2 marks

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