Although it has recently been shown that certain bacteria are capable of dramatically changing shape, pleomorphy remains a controversial concept. A well accepted example of pleomorphism is Helicobacter pylori, which exists as both a helix-shaped form (classified as a curved rod) and a coccoid form.
Crustaceans, insects, spiders, lobsters, clams, etc.
The answer is C.<span>The shell protects the crab from predators</span>
