Tuesday, March 1, 2011

Semester 2: Week 1-Describe Some Of The Relationships Between Organisms You Believe Are Happening On Campus. (i.e. predator/prey) Give At Least Three Examples

You may know that there are a lot of organism on school campus. Those organism are mutualism, commensalism, parasitism, predation, & competition.
Mutualism means that both organisms gets the benefit. Example :
1. Birds to Flowers. Birds feed on the flower and the flower gets the pollen
2. Bees to Flowers. Same as above 
3. Butterflies to Flowers. Same as above
Commensalism means one organism get benefit, another one is neither harmed nor helped. Example :
1. Bird and trees, birds make a home from the tree which shows no harm
2. Moss and trees, some moss live and grow on trees, that shows no harm
3. Beetles and trees, some beetles make a home out of tree which shows no harm
Parasitism means one get benefit and the other is adversely affected. Example :
1. Tracheal mites with honeybees
2. Weeds and vegetables, weeds destroy the vegetables
3. Weeds and flowers, weeds destroy the flowers
Predation means consumption of one species by another. Example :
1. Birds and worms, birds eat worms
2. Worm and vegetables, worm eat vegetables
3. Snail and vegetables, snail eats the leaves
Competition means two or more individuals compete in collecting resources :
1. Worm and snail fight for plant's leaves
2. Butterflies and bees both fight for flower cause they provide the nectar for them
3. Skunk and cat both fight for food by the food that are left during the daytime by students

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