Term
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Definition
| Plants and animals that have disappeared entirely from the Earth. |
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Term
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Definition
| Evidence of plants and animals long extinct |
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Term
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Definition
| Living things that exist in so few numbers that they are in danger of disappearing |
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Term
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Definition
| Huge tropical areas that are home to hundreds of thousands of living things. |
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Term
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Definition
| What plants and animals do to survive changes in the environment over time. |
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Term
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Definition
| A reason to preserve Earth's rain forests |
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Term
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Definition
| An environment in which a plant or animal lives. |
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Term
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Definition
| What nature does to bring back plans and animals after a volcano. |
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Term
| 2 actions of humans which can contribute to extinction of plants or animals |
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Definition
| Overhunting, Destroying Forests |
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Term
| Reasons plants or animals become extinct |
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Definition
| 1. changes in weather, 2. Too many predators, 3. Food supply disappears |
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Term
| What dinosaur fossils can tell us |
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Definition
| When dinosaurs lived & what type of young they had |
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Term
| Reason Dinosaurs Became Extinct |
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Definition
| Large astroid hit earth, big dust cloud didn't let sun thru. Plants died, Dinosaurs that ate plants died, Dinosaurs that ate Dinosaurs died. |
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Term
| 2 Changes (adaptations) horses have made |
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Definition
| 1. single toed feet (hooves), Taller and larger. |
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Term
| Why be concerned about endangered animals? |
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Definition
| It can affect the food chain and other animals that eat or rely on the endangered animal can also die. |
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Term
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Definition
| Law makes it illegal to hunt, collect or harm and endangered animal or plant. |
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Term
| Why are rainforests important |
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Definition
| They are a large forest with trees and plants that supply much of Earth's oxygen. |
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Term
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Definition
| Pollution can trap our heat inside the earth, causing our planet's temperature to rise and change our ecosystem (ice bergs melt!) |
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Term
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Definition
| Nature can repair itself after a disaster. |
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Term
| Mount St. Helen's Volcano |
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Definition
| Name a natural disaster that destroyes plants, trees and wildlife |
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Term
| How Can Humans Help Nature Restore Itself? |
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Definition
| Plan trees, build new trails, welcome hikers. |
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Term
| How can Humans Change the Environment? |
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Definition
| Campers can accidently start forest fire, Oil Workers can accidently spill oil in the oceans. |
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Term
| How Nature Restores Itself After A Volcano |
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Definition
| Seeds of treas and plants can survive and regrow. Animals will return, plants will start growing. |
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Term
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Definition
| To change size, shape or features over time to adjust to a changing environment. |
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Term
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Definition
| Spotted own, California Condor, Rhinoceros, African Elephant. |
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