Which common bird mates for life with one partner?

What small fish cleans the teeth of larger fish in a classic example of mutualism?

Which insect species famously lives in harmony with acacia trees, protecting them from other insects?

What fish species is famous for living among sea anemone tentacles?

Which bird is known for eating parasites off of African rhinos?

What type of fungus helps most plants absorb nutrients through their roots?

Which small crustacean lives inside sea cucumber bodies for protection?

What insect species farms and tends to aphids for their sweet secretions?

Which bird helps guide African honey hunters to bee nests?

What type of crab decorates its shell with sea anemones for protection?

Which large fish species often travels with a small pilot fish?

What animal carries small plants and algae on its fur for camouflage?

Which bird species follows badgers to catch insects they stir up?

What small fish lives between the deadly tentacles of the Portuguese Man-of-War?

Which beetle species lives in termite colonies without being attacked?

What kind of bacteria helps humans digest food in their intestines?

Which bird species removes parasites from crocodiles' teeth?

What type of fish helps keep sea turtles clean of parasites?

Which insect helps pollinate fig trees exclusively?

What animal carries small sea anemones on its claws for defense?