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3rd Grade Science SOL 3.10 Review Answer Key

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Interdependency
#1 Each one needs the other to exist. What is interdependency?
#2 These living things need each other to live What are plants and animals?
#3 Plants and animals are dependent on _____ to take care of the earth. What are humans?
#4 The benefit that many flowering plants get from animals. What is "seeds being carried to new places"?
#5 Name an example of interdependency. What is " squirrels bury acorn, which grow into trees. The trees provide food and shelter for squirrels"? or What is "as bees collect pollen for food, they pollinate the plants by flying from one to another"?
Uncontrollable Natural Events
#1 The overflowing of water on land; can erode soil and can ruin support for plants. What is a flood?
#2 Storms that can damage buildings and change animal habitats. What are tornadoes and hurricanes?
#3 A vent in the earth's crust where lava comes out; lava can kill living things, but provide fertile soil for plants. What is a volcano?
#4 Lack of precipitation in an area for a long period of time What is a drought?
#5 Can be caused by lightning; provides a place for renewal of growth What is a wildfire?
Human Impact
#1 If trees are cut down in the rain forest, animals lose their ________. What are habitats?
#2 Factories, landfills, exhaust fumes, oil in oceans, etc. are examples of ____. What is pollution?
#3 When humans build roads and homes, these living things lose their home due to erosion. What are plants?
#4 When living things are close to extinction and only a few of a species is left, the living things are __________. What is endangered?
#5 When living things no longer exist on earth, they are __________. What is extinct?
Conservation
#1 This is the protection and careful use of natural resources. What is conservation?
#2 Three ways to practice conservation are _________ ? What are resource renewal, habitat management, and species monitoring?
#3 Saving trees or planting seeds of endangered plants is an example of _________ . What is resource renewal?
#4 Keeping count of endangered animals and trapping endangered animal pairs and taking them to a preserve or zoo to save them from extinction are examples of _______. What is species monitoring?
#5 Places where most hunting is kept to minimum and plants can not be picked are in areas such as wildlife preserves or national parks. These are examples of _________. What is habitat management?
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Final Question