2. * Competition- when organisms of the same or different species attempt to use the same ecological resource Males competing for the ability to mate

3. * Predation- an interaction in which one organism captures and feeds on another Lion pride catches water buffalo and gets a meal

4. * Symbiosis- any relationship in which two species live closely together

5. * Parasitism- one3 organism lives on or inside another organism harming it. Wasp’s eggs and caterpillar: wasp eggs hatch and burrow into caterpillar

6. * Mutualism- both organisms benefit from the relationship Bee and flowering plants: the bee gets pollen to make honey and the plants get to reproduce

7. * Commensalism- One member benefits the other is neither harmed not helped Shark and remora: sharks are messy eats and the remora gets to eat the bits that don’t make it into the shark’s mouth

8. Symbiotic Relationships A symbiotic relationship where both organisms benefit EX: Cowbirds eat the bugs off of a cow’s back A symbiotic relationship where 1 organism benefits and the other is unaffected Ex: When cows walk through a field it stirs up bugs and birds eat the bugs A symbiotic relationship where 1 organism benefits and the other is harmed. Ex: A tick feeds on the blood of a dog

10. ParasitismMutualismCommensalism Tick on a dogMychorrizhaeStork and bees Mosquito biting a humanHoney guides birds and badgers Female boxing crabs and anemones Cuckoo and WarblerOxpeckers and RhinocerosBison and cowbirds Mistletoe and spruce treeOstriches and GazellesHermit crabs and snails Wrasse Fish and black sea bass Barnacle on a whale Silverfish and Ants Yucca flowers and Yucca moth Cleaner fish on a shark Lichen E.Coli in gut of human