Respuesta :
Answer:
it's a symbiotic mutual relationship
Explanation:
Greenish-brown algae lives on the crab's back, helping the crabs blend in with their enviroment, which makes them less noticeable to predators. the algae provided with a good place to live while the crab receives camouflage.
Answer:
Mutualism
Explanation:
Mutualism; One organism live in, on, or near another, and both gain something they need for survival. Both organisms are heled.