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Char. of Living Thin
Bosch- Characteristics of Living Things
| Question | Answer |
|---|---|
| cell | a membrane covered structure that contains all of the material necessary for life |
| stimulus | a change in an organism's environment that affects the activity of an organism |
| response | a reaction due to a change in an organism's environment |
| hemeostasis | maintenance of a stable internal environment |
| sexual reproduction | two parents produce offspring that share the characteristics of both parents |
| DNA | hereditary material that controls all the activities of a cell |
| Heredity | transmission of characteristics fron one generation to the next |
| metabolism | the sum total of all the chemical activities of an organism |
| producer | organisms that can make their own food |
| consumer | organisms that must eat other organisms to get food |
| decomposer | organisms that get their food by breaking down the nutrients in dead organisms or animal wastes |
| protein | the second most abundant material in a cell |
| carbohydrate | source of energy, made of sugars |
| lipid | include fats and oils |
| nucleic acid | DNA, the blueprint to make proteins |
| ATP | major fuel source for all the cell's activities |
| spontaneous generation | the belief that life just appears |
| cold-blooded | animals that have a body temperature that changes with the environment |
| warm-blooded | animals that have a constant body temperature |
| multi-cellular | more than one-celled organism |
| uni-cellular | one celled organism |
| Name 3 one-celled organisms | hydra, paramecium, amoeba |
| photosynthesis | the process that converts the energy in sunlight to energy in stored food |
| asexual reproduction | a single parent produces offspring that are identical to the parent |
| List the six characteristics of all living things | cells, sense and respond to change, reproduce, energy, DNA, grow and develop |
| Four necessities of living things | food, water, air, a place to live |
| Six elements of living things | carbon, oxygen, hydrogen, nitrogen, sulfur, phosphorus |