Basis of Life Terms
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25 terms
Terms | Definitions |
|---|---|
 biogenesis | All living things come from other living things. Life comes from life! |
| cell | The basic unit of life. A tiny building block. |
| growth | The process by which an organism increases in number of cells, OR the cells get larger. |
| xylem | The vascular tissue through which WATER and NUTRIENTS move in some plants. |
| phloem | The vascular tissue through which FOOD moves in some plants. |
| tissue | A group of cells that are alike in structure and activity. |
| organ | A collection of tissues that work together to perform certain functions. |
| gene | Structures that contain the genetic code that make up chromosomes. |
| mitosis | The process of cell division for the growth and repair of cells. |
| organism | A general name for all living things. |
| protoplasm | The unique chemical organization of the matter and chemical processes of living things. (All the living material within a cell.) |
| digestion | The process that changes food into simpler forms that can be absorbed and used by the organism. |
| ruminant | An animal with a stomach divided into 3 or 4 chambers. |
| heredity | The passage of parental traits to the offspring. |
| chromosome | Rod-shaped structures made of DNA that are located in the cell nucleus and carry hereditary traits. |
| locomotion | The ability of an organism to move about to get food and protect itself from danger. |
| monogastric | Animals with 1 stomach, or single-chambered stomach. |
| respiration | The process used by organisms to provide cells with oxygen that is used to release energy from food. Breathing! |
| circulatory system | System used to transport food nutrients and gases through a plant or animal. |
| controlled breeding | The regulation of the mating of plants or animals to achieve certain characteristics in the offspring. |
| reproduction | The process used by which organisms produce offspring. |
| life span | The period that covers the beginning, growth, maturity, decline and death of an organism. |
| repair | The process by which organisms replace or repair damaged cells. |
| organ system | A group of organs which works together to perform an activity. |
| genetics | The study of heredity. |
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