Date post: | 22-Jan-2015 |
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Ch. 6Lesson 1
How do ecosystems change?
Activity-How can pollution affect a habitat?
Time (in minutes) Observations
5 Cup A-
Cup B-
10 Cup A-
Cup B-
15 Cup A-
Cup B-
ways animals change
ecosystems:
1.locusts1. locusts
Locusts Swarm across Africa and the Middle East video clip
2. beavers build dams
How Beavers Affect Their Habitats video clip
3. earthworms dig holes in soil- bring oxygen to
plant roots
ways people change
ecosystems:
1. build houses
2. clear forests
3. introduce new plants & animals
(accidentally or on purpose)
zebra mussels-have no natural predators
Zebra mussels can block water pipes.
garlic mustard plant
4. throw out garbage
Landfills video clip
landfill• pile of garbage
• eventually covered w/ soil & grass
• liners keep harmful chemicals from leaking ground
acid rain• rain that has absorbed pollutants
• pollutes soil & lakes
Activity-Edible LandfillFood Item What it represents
Pie crust Bottom of landfill-Clay soil
Fruit roll ups High density plastic liner
Candy corn
Sprinkles
Mini chocolate chips
Red hots
Body parts
Marshmallows
Gummy worms
Gummy life savers
Gummy bears
Chocolate pudding Layers of soil
Graham cracker crumbs
Chocolate chip cookie House
04/10/23 22
Four More!Describe a landfill.
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