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chapter 2 benecells
living things have cells.
| Question | Answer |
|---|---|
| The smallest unit that can perform all life processes is called? | cell |
| All living things are composed of one or more _________ | cells |
| Anything that causes a reaction or change in an organism or any part of an organism. | stimulus |
| The mainenance of a constant internal state in changing environments. | homeostasis |
| Reproduction in which the sex cells unite. | sexual reproduction |
| Reproduction that does not invole the union of two parents sex cells. | asexual reproduction |
| The passing down of genetic traits from parent to offspring. | heredity |
| The sum of all chemical processes that occur in an organism. | metabolism |
| an organism that can make its own food by using energy from its surroundings | producer |
| an organism that eats other organisms or organic matter. | consumer |
| an organism that breaks subastances down or the remains of other organisms. | decomposer |
| A molocule that is made up of amino acids and that is needed to build/repair body structures and to regulate processes in the body | protien |
| a class of energy that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen. | carbohydrates |
| A type of biochemical that does not dissolve in water. | lipid |
| a lipid that contains phosphorus and that is a structural componenent in cell membranes. | phospholipid |
| A molocule that acts as the main energy source for cell processes. | ATP |
| A molocule made up of subunits called nucleotides. | nucleic acid |
| DNA is an expample of what? | nucleic acids |
| what are two kids of lipids? | fats and oils |
| what are the four(4) things all organisms need to live? | water, air. food, a place to live |
| a mushroom is a ________ | decomposer |
| a frog is a _____ | comsumer |
| a green plant is a _____ | producer |
| spider webs, hair, horns, and feathers are _____ | protiens |
| when phospholipid molocules come together in water, they form ____ ____ | two layers |
| the extra sugar in a potato plant is stored as starch as a ________ _________ | complex carbohydrate |
| A single parent produces offspring identical to the parent through _______ _________ | asexual reproduction |
| Most single-celled organisms reproduce through ________ reproduction | asexual |
| Most animals and plants reproduce through _______ reproduction | sexual |
| What does DNA do? | DNA controls the structure and function of cells. |
| What do organisms pass in to their offspring? | copies of their DNA |
| The passing of traits from parents to their offspring is called? | heredity |