Term
Where does all the energy for living things come from? |
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Definition
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Term
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Definition
They make food using sun's energy. |
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Term
How do plants store food? |
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Definition
Plants store food as starch. |
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Term
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Definition
Green plants which produce food. |
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Term
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Definition
Animals which eat plants and other animals. |
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Term
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Definition
Living things needing to consume food as they cannot make their own. |
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Term
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Definition
Animals which hunt or trap other animals. |
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Term
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Definition
Animals which are hunted and trapped by predators. |
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Term
What happens to energy in a food chain? |
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Definition
It goes from the producer to the consumer. 90% is lost at each step of the food chain. |
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Term
Is more energy available to the final consumer in a shorter or a longer food chain? |
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Definition
A shorter one (as energy is lost at each step, the more steps, the more loss of energy.) |
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Term
Which environmental factors influence where animals and plants live? |
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Definition
Temperature, humidity, pH, light intensity, flow rate. |
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Term
Which factors influence how many living things of one type live in an environment? |
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Definition
Predators, competition for space, competition for food. |
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Term
What types of waste are produced in a typical household? |
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Definition
Plastic, metal, glass, paper, ashes, rags, animal/vegetable. |
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Term
Which wastes can be recycled? |
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Definition
Metal, glass, paper and plastics. |
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Term
Why is recycling important? |
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Definition
It saves energy, resources, money and protects the environment. |
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Term
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Definition
Smoke, car exhaust fumes, CFCs and sulphur dioxide. |
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Term
What is the effect of air pollution on the body? |
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Definition
Lung diseases such as asthma and bronchitis. |
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Term
Which living things can help to find out if air is polluted? |
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Definition
Lichen, if the air is not polluted, there will be many types of lichens, and lots of them. |
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Term
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Definition
Oil, sewage and industrial waste. |
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Term
What happens to animals living into a river when it becomes polluted. |
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Definition
Oxygen levels drop which kills most animals and plants. |
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Term
Which living things can help you to find out if a river is polluted? |
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Definition
River invertebrates (small animals): if the water is not polluted, there will more types andthey will be in greater number. |
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Term
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Definition
Coal bings, in-fill sites, lead mines workings, pesticides. |
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Term
What is the effect of land pollution on plants and animals? |
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Definition
It prevents plants from growing and gradually poisons animals. |
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Term
What are the five basic needs of human beings? |
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Definition
Shelter, water, warmth, food and air. |
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Term
How have we adapted our environment to secure our supply of water? |
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Definition
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Term
How have we adapted our environment to secure our supply of warmth? |
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Definition
Dug coal mines and built power stations |
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Term
How have we adapted our environment to secure shelter? |
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Definition
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Term
How have we adapted our environment to secure our supply of food? |
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Definition
Clear away forest and grasslands for farming. |
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Term
What is meant by conservation? |
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Definition
A way to meet our needs without destroying the environment. |
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Term
Give examples of conservation |
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Definition
Replanting areas after timber extraction, maintaining hedges and trees around fields, protecting endangered species. |
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