Symbiosis

Front

This is any close relationship between any two different species in an ecosystem

Back

symbiosis

Front

Both species benefit

Back

mutualism

Front

One species benefits, the other is unaffected

Back

commensalism

Front

One species benefits, the other species is harmed

Back

parasitism

Front

Barnacles create home sites by attaching themselves to whales. As the barnacle is a filter feeder, it also gets access to more water (and more food) due to the relationship. Whale is unaffected.

Back

commensalism

Front

Ostriches and gazelles feed next to each other and watch for predators, using their different visual abilities to identify threats.

Back

mutualism

Front

Mistletoe extracts water and nutrients from the spruce tree to the detriment (ill effect) to the spruce.

Back

parasitism

Front

Honey guide birds alert and direct badgers to bee hives. The badgers then expose the hives and feed on the honey first. Next the honey guide birds eat. What type of relationship is this?

Back

mutualism

Front

Tapeworms reside in human intestine and take nutrients from the human.

Back

parasitism

Front

What type of relationship do epiphytes have with trees?

Back

commensalism