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life
| Term | Definition |
|---|---|
| biotic | Living organisms |
| abiotic | things that have never been alive |
| Respiration | The process by which cells break down simple food molecules to release the energy they contain. |
| Excretion | Process by which metabolic wastes are eliminated from the body |
| Growth | increase in size |
| Nutrition | the process of providing or obtaining the food necessary for health and growth. |
| Transport | to move from one place to another within the organism |
| Synthesis | creating larger molecules from smaller |
| cell theory | idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells |
| cell | Basic unit of life |
| organelle | A tiny cell structure that carries out a specific function within the cell |
| prokaryotic cell | A type of cell lacking a membrane-enclosed nucleus and membrane-enclosed organelles; found only in the domains Bacteria and Archaea. |
| Eukaryotic organisms | cells that have a nucleus and other membrane bound organelles |
| single-cell organism | contains only one cell - protist or bacteria. |
| multicellular organism | Organism made up of many cells |
| stimulus | change that causes a response |
| respond | to react to something |
| asexual reproduction | reproduction needing only one parent |
| sexual reproduction | reproduction needing two parents |
| Mitochondria | Powerhouse of the cell, organelle that is the site of ATP (energy) production |
| cell membrane | A cell structure that controls which substances can enter or leave the cell. |
| Chloroplast | Site of photosynthesis (make own food) |
| Ribosomes | site of protein synthesis |
| Nucleus | Control center of the cell, contains genetic material |
| Vacuole | Cell organelle that stores materials such as water, salts, proteins, and carbohydrates |
| cell wall | A rigid layer of nonliving material that surrounds the cells of plants (and some other organisms) |
| Cytoplasm | A jellylike fluid inside the cell in which the organelles are suspended |
| What are the levels of organization for multicellular organisms from smallest to largest | cell, tissue, organ, organ system, organism |
| microscope | device that produces magnified images of structures that are too small to see with the unaided eye |
| total magnification | objective lens x ocular lens |
| unit of measure in a microscope | micrometer 1mm |
| coarse adjustment knob | Moves the stage up and down for focusing |
| fine adjustment knob | Moves the stage slightly to sharpen the image |
| Organism | A living thing |
| biology | The study of life |
| homeostasis | A tendency to maintain a balanced or constant internal state. |
| metabolism | All of the chemical reactions that occur within an organism |
| Reproduction | the production of offspring |
| Regulation | control and coordination of life processes |
Created by:
olivia83
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