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Science review #1
Review for pages 1-20 questions 1-9.
| Term | Definition |
|---|---|
| Organism | An individual living thing, such as a plant, animal, fungus, bacterium, or protist. |
| Nutrition | Taking food into the body(ingestion), breaking in down into a form usable by cells(digestion)and eliminating undigested material (elimination). |
| Transport | Moving materials through out the organism. |
| Respiration | Releasing energy stored in food. |
| Excretion | Removing waste materials produced by the organism. |
| Regulation | Responding to changes in the organism's surroundings. |
| Growth | Increase in size. |
| Reproduction | Making more of the organism of the same kind. |
| Asexual reproduction | Reproduction involving only one parent. (Identical offspring) |
| Regeneration | The process that helps organism maintain homeostasis. |
| Binary fission | Binary fission, asexual reproduction by a separation of the body into two new bodies. |
| Budding | Form of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site. |
| Sexual reproduction | Reproduction involving two parents.(Off spring look different). |
| Fertilization | The joining together of two cells. |
| Cell | The basic unit of life. |
| Unicellular | Made up of one cell. |
| Multicellular | Made up of many cells. |
| Nucleus(cell) | Reproduction-where genetic material is stored. |
| Mitochondria | Respiration-where food is burned(combined with oxygen)to produce energy. Called the powerhouse of the cell. |
| Ribosomes | Synthesis-where proteins are made. |
| Lysosomes | Digestion- where digestive enzymes are stored. |
| Vacuole | Digestion and excretion- where digestion occurs or where excess fluid is stored. |
| Chloroplasts | Photosynthesis-where glucose(sugar) is produced in green plants(present only in plant cells. |
| Cell wall | A semi rigid structure that surrounds cells of plants, fungi, and bacteria. |
| Cell membrane | A semipermeable "skin" surrounding the cell and separating it from its environment. |
| Cytoplasm | The fluid portion of a cell's interior. The organelles are suspended in the cytoplasm. |
| Photosynthesis | The process by which plants, and some protists and bacteria use light energy, carbon dioxide, and water to make sugar. |
| Ingestion | The taking in of food. |
| Digestion | Breaking down nutrients into a useable form. |
| Elimination | Removal of undigested materials from the body. |
| Homeostasis | Normal internal conditions. |
| Metamorphosis | A dramatic change in an organism. |
| Infectious Disease | An illness caused by microorganism that be transmitted, or passed on, from one individual to another. |
| Noninfectious Disease | Diseases that can't be transmitted from one individual to another. |
Created by:
manuelpillai-bevin
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