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Definition
An animal with no back bone. |
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A community of animals, plants and micro-organisms, together with the habitat where they live. |
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What is produced by photosynthesis? |
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Definition
Carbon dioxide and water, are converted into... Glucose and oxygen. |
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What is glucose used for? |
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Definition
The glucose is converted into starch, fats and oils for storage. Then used to make cellulose for cell walls and proteins for growth and repair. |
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How does photosynthesis happen? |
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Definition
A chemical reaction between light energy, which is absorbed by a green substance called chlorophll. |
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What are 4 things animals compete for? |
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Definition
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What are 4 things plants compete for? |
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Definition
Light water space mineral salts. |
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Why do polar bears have sharp claws and teeth? |
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Definition
For catching and eating prey. |
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Why do polar bears have fur on the souls of their feet? |
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Definition
For better grip on the ice and for insulation. |
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Name 1 way a fossil is made? |
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Definition
Impressions such as foot prints can be covered by layers of sediments, which eventually turns to rock, so preserving the casts. |
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What are 2 problems caused by human population growth? |
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Definition
Increases the use of fossil fuels and minerals. Creates more pollution and waste. |
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Definition
All the conditions that surround a living organism. |
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Where does photosynthesis take place? |
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Definition
In the leaves, which contain chloroplasts - tiny objects that contain chlorophyll. |
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Name 4 ways in which camels have adapted to fit into there surroundings? |
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Definition
Large feet - To spread the load on sand.
Tolerant to high body temp - Does not need to sweat to keep cool, so conserving body water.
Hump containing fat - A store of energy without insulating the whole body
Bushy eyelashes and hair-lined nostrills that can close - stops sand getting into the eyes and nose. |
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Definition
Mutualism is when both organisms benefit from each other. |
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Term
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Definition
A fungus, usually of the class Ascomycetes, that grows symbiotically with algae. |
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