Which statement about the transformation is true? It is rigid because all side lengths and angles are congruent. It is rigid because no side lengths or angles are congruent. It is nonrigid because all side lengths are congruent. It is nonrigid because no side lengths or angles are congruent.

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.