The most advantageous body plan for an aquatic predatory animal is a fast swimmer and chases prey through the ocean will be (A) radial.
Predatory animals are those that attack and feed upon the smaller and weaker organisms. The animals attacking is called the predator and the animal being attacked is called the prey. The example of predatory animals is: lions, sharks, tigers, etc.
Radial body plan is where the whole body of an organism is arranged around a central axis. The advantage of radial body plan is that the predator animals can grab their food from any direction. The animals possessing radial body plan are jellyfish, sea urchin, etc.
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