Human impacts on plants and animals

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  • We make choices everyday that impact wildlife (plants, animals and other living things)
  • Human impacts on plants and animals

    1. 1. Human Impacts on Plants and Animals<br />7SCIENCE: Wed., March 2nd<br />
    2. 2. Review: Human Impact on the Environment<br />We use land for many things, including:<br />Farming<br />Grazing<br />Forestry – wood<br />Landfills<br />Industry and factories<br />Housing!<br />How do these affect the living things (plants animals and others) in these environments?<br />
    3. 3. What happens to these living things?<br />When humans clear land for buildings or other purposes, we disturb the environment<br />Can you think of some ways? <br />Land is cleared for many reasons: farms, factories, landfills, water, energy etc!<br />
    4. 4. Review: Nature Preserves<br />What is a nature preserve?<br />Land that is not used by humans to produce something or to store waste (landfill)<br />Illegal to take natural resources <br />These nature preserves are important because they protect many of the earth’s ecosystems <br />Protect the habitats (homes) ofmany living things including plants and animals <br />Without a habitat, these living things don’t have a place to find food, water, a mate, have shelter<br />
    5. 5. Who can make decisions about what to protect?<br />Governments<br />Nature organizations<br />The people!<br />
    6. 6. Activity: What did your lunch cost wildlife?<br />The choice of foods that we eat, and the places and ways we produce food has an impact on the environment<br />For example:<br />Removing habitat for farm land<br />Spraying fruits/vegetables with chemical pesticides, herbicides or fertilizers<br />These chemicals can leak into the water and add to water pollution<br />Removes insects or plants that animals may use for food<br />These chemicals can accumulate (build up!) in human bodies and have negative effects<br />
    7. 7. Activity: What did your lunch cost wildlife?<br />Instructions: to be completed individually in full sentences, and handed in at the end of class. DO NOT have to write the questions – 15 marks<br />(1) Please make a list of what you ate at school yesterday, at recess snacks and lunch.<br />(5) Select one of these foods and trace its origin by drawing a flow diagram (). Describe for this food:<br />(2) How and where it was grown?<br />(1) How was it transported?<br />(1) What materials were used to create the package?<br />(3) Where could wildlife be affected along this path?<br />(2) What are 2 changes that could be made to minimize the effect on wildlife? <br />For example, could you eat something else? Could something be changed in producing the food to protect wildlife?<br />

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