Fill in the blank with the correct imperfect conjugation of the verb in parentheses. Ellos tres amigos. (ser) somos eran es están

Certification programs are offered by all of the following except

To safely control the traffic flow and protect workers near public roadways and moving construction equipment use you could use

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.