1. Symbiosis

2. Symbiosis
Symbiosis is a close ecological relationship between the individuals of two different species.

3. Commensalism
one species benefits and the other species is not affected.
**EX – a host provides a home or transportation for an organism
**EX – Spanish moss – tree not affected by moss

4. Mutualism Both species benefit
EX – Humans & pets, Flowers & pollination
EX – an Egyptian plover in the mouth of a crocodile.

5. Parasitism 1 organism benefits, the other is harmed EX – Tick on a dog
EX – Tapeworms in humans

6. Brain Pop Video