What is one reason students might take the essay portion of the sat a. students can show their creativity in selecting an essay topic. b. the essay portion is a required part of the sat. c. some schools require students to take the essay portion. d. students who take the essay portion are exempt from taking an sat subject test

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.