Ecosystems Symbiosis

Symbiosis Symbiosis is a close relationship between two species where at least one species benefits.

3 Types of Symbiosis 1.Commensalism- where one organism benefits while the other is not affected.

E.g. Clown Fish and Sea Anemone The clown fish gets: safety by living among the anemone’s poisonous tentacles. Food scraps left over from the anemone’s dinner. The anemone is not affected by the clownfish.

2. Mutualism- a relationship that benefits both species. 3 Types of Symbiosis 2. Mutualism- a relationship that benefits both species.

E.g. Moray Eel and Cleaner Fish Moray eel gets its mouth cleaned of parasites Cleaner Fish gets a meal!

Nile Crocodile and Egyptian Plover According to reports, the crocodile opens its mouth widely, and then the bird picks pieces of meat from between the crocodile's teeth

Pollination and Hummingbirds Hummingbirds drink the nectar from the flowers and moves the pollen from the male anthers of a flower to the female stigma of a flower to accomplish fertilization.

3 Types of Symbiosis 3. Parasitism- is a relationship where one organism benefits (the parasite) and the other organism is harmed but not killed (the host).

E.g. Tapeworms Long parasitic worm with a head that attaches to the gut of its host. Eggs are produced in segments that fall off and are excreted in the animals’ feces.

E.g. Fleas, ticks, mites, & lice that feed off the blood of other animals Fleas, ticks, mites and lice feed off the blood of their hosts. The host is weakened but not killed.

Bot fly Parasite The Bot fly is a hairy looking fly that resembles a bumblebee The larvae penetrate into the skin of the host where it matures

Bot fly continued… The larvae form a large and painful lesion as it matures It creates a hole in your skin to allow it to breath Once mature, it breaks through the skin and turns into an adult fly

Colonoscopy and Pinworms Video