A science class is studying the relationships among organisms in an ecosystem. The teacher says that some organisms in ecosystems have a mutually beneficial relationship, such as the relationship between spider crabs and algae. The algae grows on the spider crabs.
Which options best explain and support the teacher's claim? Move the choices to the table to explain the relationship between algae and
Spider crabs
Benefit
Evidence
Organism
Spider crab
Algae
Food source
Camouflage
Habitat
Algae anchors to the shell, giving it a place to live.
The spider crab is protected by compounds produced by the algae.
The spider crab blends into the surroundings when algae is on its back.
Algae contains a number of nutrients and is a food source for several animals,