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5 Cards in this Set
- Front
- Back
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#1
all living things need energy. |
the primary source is the sun.
plants use energy from the sun to do photosynthesis. |
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#2
all living things need food and water. |
food is a source of energy. food is needed for growth,and development and repair cells. organisms can die without water. chemicals dissolve in water and are transported throughout the body.blood and sap are primarily water and transport things through an organism. most chemical processes cannot take place without water.
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#3
all living things need oxygen. |
oxygen is gained through respiration. land organisms get oxygen from the air. water organisms get oxygen by coming to the surface and from the water.
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#4
All living things need a living space. |
a living space is needed because there is a competition for resources.
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#5
all living things need to maintain body temperature. |
warm blooded- internal body temperature stays the same, no matter the environmental temperature. cold blooded- body temperature change with the environmental temperature. response is to migrate, hibernate, and sun-basking.
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