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Effects on Ecosystems

Effects on Ecosystems. Q1. What are the factors that can effect an ecosystem? Limiting Factors. http://weathersavvy.com/desert2_OPT.jpg. Limiting Factors. A factor or condition that prevents the continuing growth of a population of an ecosystem. 1. Food availability. 2. Abiotic factors.

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Effects on Ecosystems

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  1. Effects on Ecosystems • Q1. What are the factors that can effect an ecosystem? • Limiting Factors http://weathersavvy.com/desert2_OPT.jpg

  2. Limiting Factors A factor or condition that prevents the continuing growth of a population of an ecosystem. 1. Food availability 2. Abiotic factors 3. Disease 4. Competition 5. Predation

  3. Food Availability FOOD is a limiting factor • An ecosystem can only produce a certain amount of food. Q3. If anteaters only eat purple ants, what do you think would happen if all the purple ants died? http://www.agmrc.org/NR/rdonlyres/90908943-23D3-4630-BF95-97119C12C1DE/8227/fruit.jpg

  4. Abiotic Factors Examples • Amount of light • Amount of water • Temperature • Soil make up Q4. What do you think would happen in the rainforest if the sun burnt out? Q5. Click on the zebras to find out what happens in the Serengeti when there isn’t any rain? http://www.zanzibar-guesthouse.com/images/serengeti.jpg

  5. Disease A disease can change the population number or completely wipe out a population. Q6. Click on the koala bear to find out what kind of disease is effecting her population.

  6. Competition The struggle between individuals or different populations for a limited resource. Q7.Click the picture of the trees to find the height of the rainforest canopy. What is the height controlled by?

  7. Predation The number of predators can affect the prey population. Q8. Click on the leopard to find the defense mechanism he uses? Q9. Click on the picture of the deer and find out what the white man did to increase the deer population?

  8. Ecosystems Factors Predation Disease Competition Food Abiotics http://www.nj.nrcs.usda.gov/programs/images/P8250015.JPG

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