You received a gift card for your birthday to your favorite electronics store. You are trying to decide if you should buy the really cool camera or save the gift card for a later purchase. In a brief paragraph, create a cost-benefit analysis using each of the steps to come to a conclusion. Hurry and try to get it right

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.