Term
| How old is the solar system? |
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Definition
| about 5 billion years ago, not hundreds, not thousands, not even millions. 5 billion |
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Term
| was earth ever very hostile? |
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Definition
| yes,it was hostile. it was bombarded with asteroids and had lethal gasses and erupting volcanoes |
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Term
| what form was the water a very long time ago (when the earth was made) |
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Definition
| It was only in the form of vapor or gas |
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Term
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Definition
| It is what gasses and clouds are kept in by. |
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Term
| What is "Nuclear Fusion?" |
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Definition
| it is binding of atoms to create (massive) amounts of energy |
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Term
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Definition
| it is water the is in it's gas form. |
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Term
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Definition
| Where/when something has a characteristic that allows them to survive. |
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Term
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Definition
It is where/when something is different
EX: One dog gives birth to three dogs. all but one are very furry |
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Term
| Adaptqations develop from variations within a population and help organisims survice in their given enviroment |
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Definition
-Phanerzoic Eon-540 mya to present. many new & comlex life forms appear.
-Earth is biologically diverse (both plants and animals)
-Each organisim has the ability to survive in a specific enviroment. They must be able to get food and avoid being eaten.
-Every organisim is different from every other manly due to genes. |
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Term
| Random change in an organisim's gene's/ Naturally occurring; some may be harmful, others neutral and others are beneficial. |
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Definition
if beneficial, the organisim may have a better chance to survive and have offspring, pass tje mutation to the offspring, thereby increasing the chances of the offspring to survive.
Results in biological diversity. |
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