Symbiosis Interaction between two different organisms living in close proximity of one another

3 Types Symbiosis Mutualism Commensalism Parasitism DEFINITION EXAMPLES SMILEY FACES DEFINITION EXAMPLES SMILEY FACES DEFINITION EXAMPLES SMILEY FACES

Symbiosis Video One Symbiosis Video One

Section 2.1 Summary – pages Section 2.1 Summary – pages Mutualism A relationship in which both species benefit. This little fish is helping me by cleaning my teeth!!! Yeah!!! I ’ m eating the big fish ’ s food so he ’ s helping me too! Yeah!!!

Section 2.1 Summary – pages Commensalism A relationship in which one species benefits and the other species is neither harmed nor benefited. In this picture, Spanish moss is growing on the trees. The moss benefits because it has a place to live, and the tree doesn ’ t care.

Parasitism A relationship in which one species benefits and the other species is harmed. Tapeworms are parasites. They attach to your intestines and suck out all of your food. the tapeworm benefits, and the host is harmed because they slowly starve to death.

Section 2.1 Summary – pages Parasitism Parasites have evolved in such a way that they harm, but usually do not kill the host species. One of the ways to get rid of a tapeworm is to starve yourself and then place a piece of meat in front of your mouth. The tapeworm will smell the meat and climb up your throat and out of your mouth.

MutualismCommensalismParasitism

This bird, called an egret rides on the back of large mammals like elephants. The egret benefits because it gets a place to live, and the elephant doesn’t care.

Clownfish live among sea anemones. The fish use the anemone as protection and the anemone uses the fish as protection as well.

Flowers provide food for insects. Insects spread the seeds of flowers.

Lichens are made up of fungi and algae. The fungi attaches the organism to the tree and protects the algae. The algae provides food through photosynthesis.

The guinea worm finds a host in the human body after they have drinken contaminated water. The worm feeds off the human and the human cannot walk while worm is trying to free itself.

Bacteria in a person’s stomach. The bacteria help the person break down food, and the person provides the bacteria with food.

A tick on a cat or dog.

A lizard that is camouflaged on a tree.

Ms. Hudson decides to go swimming. When she gets out of the water, she screammmmmmmms because she has a leech on her, sucking her blood! AHHH!