Which scenario describes a relationship of predator-prey? Birds feed off the insects that are stirred up from the grasses as cattle move through.

A polar bear catches a seal for dinner.

A tapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat.

Oxpecker birds eat parasitic ticks off the backs of zebras.

A polar bear catches a seal for dinner

Explanation:

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evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.