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18 Cards in this Set
- Front
- Back
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What are organisms?
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all living things are called organisms
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What are 6 charcteristics used to define organisms?
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1. multicelluar
2. use energy 3. adaped to their environments 4. respnd to stimuli 5. organisms reproduce 6. organisms can grow and develop |
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What are cells?
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they are the basic unit of structure and functioning in all living things
they are the building blocks of life |
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Unicellular
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one celled, ex bacteria
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multicellular
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is 2 or more cells, ex lions, tigers and bears
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organisms
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use energy
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sun
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is the major source of energy
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plants use energy to
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make food
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animals
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eat plants
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adaptation
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anything that helps the organism survive in its environment
specific organisms survive others may not be able to |
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reproduction
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process by which organisms produce offspring
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asexual reproduction
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requires only one parent offspring is the same
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sexual reproduction
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requires two parents most organisms produce this way and offspring have characteristics of each parent
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responses
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reactions to changes in the environmentn
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Stimuli
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changes that causes responses
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locomotion
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when an organism moves from its own from one place to another
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Life span
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period of time an organism lives
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life cycle
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all of the changes an organism goes through during life
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