Symbiosis

both organisms benefit

one organism benefits, the other is harmed

one organism benefits, and one is unaffected

🐦 A hummingbird drinks nectar from a flower and spreads its pollen.

🐞 A ladybug eats harmful aphids from a plant.

👤 Gut bacteria in a human help digest food and make vitamins.

🐜 Ants protect acacia trees from predators, and the tree gives them food and shelter.

🐕 A flea bites a dog and feeds on its blood.

🐍 A tapeworm lives in a cow’s intestine and steals nutrients.

🌿 Mistletoe grows on a mesquite tree and sucks its nutrients.

🐦 A cuckoo lays its eggs in another bird’s nest, and the host raises the baby cuckoo.

🦠 A virus infects a human and causes illness.

🐛 Aphids feed on plant sap and harm the plant.

🌳 A barnacle attaches to a whale to catch passing food.

🕷️ A spider builds a web on a tree branch for support.

🦈 Remora rides a shark and eats leftovers.

🐜 Mites eat dead skin on humans.

🐚 Limpet clings to a rock for shelter.

🪲 Pseudoscorpion rides under a beetle's wing.