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Science: Chpt. 2
Science Chapter 2 Test Review
| Question | Answer |
|---|---|
| The study of life | biology |
| An increase in mass and number of cells in an organism | growth |
| the ability to cause change or do work | energy |
| types of energy | radiant, chemical, mechanical, electrical and thermal |
| microwaves, x rays, radio waves, and light are examples of what kind of energy? | radiant |
| What kind of energy is captured from the sun by plants? | radiant |
| Building blocks that make up all living things. Smallest unit of life. | cells |
| a group of cells that perform a common function. | tissue |
| a group of tissues that perform a common function (job). | organ |
| Example of an organ | stomach, esophagus |
| a group of organs that perform a common function | organ system |
| example of an organ system | digestive system (breaks down your food). |
| any complete living thing | organism |
| example of an organism | human, fish, flower |
| your body's way of keeping your internal environment balanced. | homeostasis |
| examples of homeostasis | sweating, shivering |
| levels of organization of an organism | cell-tissue-organ-organ system-organism |
| something that causes a response. | stimulus |
| an example of a stimulus | plant grows towards the light |
| 7 things that classify a living thing | made of cells, different levels of organization, use energy, responds to environment, grows, reproduces, adapts to environment |
| Dependent variable in our clover experiment. What did we measure? | number of sprouts |
| Constants for the clover experiment. What did we keep the same? | type of soil, amount of soil and light |
| Independent variable in the brine shrimp experiment. What did we change? | amount of salt |