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cooney_ch 2
characteristics of living things and necessities of life
| Question | Answer |
|---|---|
| what is a producer? | an organism that can make its own food by using energy from its surroundings |
| what is a consumer? | an organism that eats other organisms or organic matter |
| what is a decomposer? | an organism that gets energy by breaking down the remains of dead organisms or absorbing the nutrients |
| what is a protein? | a molecule that is made up of amino acids and that is needed to repair body structures and to regulat processes in the body |
| what is a carbohydrate? | a class of energy giving nutrients that includes sugars, starches, and fiber; contains carbon hydrogen and oxygen |
| what is a lipid? | a type of biochemical that does not dissolve in water |
| what is a phospholipid? | a lipid that contains phosphorus and that is a structural component in cell membrane |
| what is ATP? | a molecule that acts as a main energy source for cell processes |
| what is nucleic acid? | a molecule made up of subunits called nucleotides |
| what is stimulus? | qanything that causes a reaction or change in an organism or any part of an organism |
| what is homeostasis? | the maitenance of a constant internal state in a changing environment |
| what is sexual reproduction? | reproduction in which the sex cells from two parents unite, producing offspring that share traits from both parents |
| what is asexual reproduction? | reproduction that does not involve the union of sex cells and in which one parent produces offspring identical to itself |
| what is heredity? | the passing of genetic traits from parent to offspring |
| what is metabolism? | the sum of all chemical processes that occur in an organism |
| All living things are made up of what? | cells |
| The ability to sense change in an environment and respond to that change is called... | stimulus |
| What is the maitenance of a constant internal statein a changing environment called? | homeostasis |
| Through what kind of reproduction do palar bears use? | sexual reproduction |
| Through what kind of reproduction do most single celled organisms reproduce? | aseexual reproduction |
| What do you call the passing of genetic traits from parent to offspring? | heredity |
| What is the sum of all chemical processes called? | metabolism |
| What are the four basic needs of an organism? | water, air, food, shelter |
| What are cells? | the smallest unit that can perform all life processes |
| Cells are made up of what percent water? | 70 |
| An organism that can make its own food by using energy from its surroundings is called a... | producer |
| What do you call an oraganism that eats other organisms or organic matter? | consumer |
| What do you call an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consumes or absorbs the nurients? | decomposer |
| Proteins are molecules made up of smaller molecules called... | amino acids |
| Potatoes are what type of a carbohydrate? | complex carbohydrate |
Created by:
12_bcooney
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