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cell chapter
animal and plant cells
| Question | Answer |
|---|---|
| organism | any living thing |
| cell | the smallest unit of an organism that carries on the functions of life |
| homeostasis | the reguuulation of an organisms internal life maintaining condition despite change in its enviroment |
| binomial nomenclauture | the two-word naming system that linnaeus used to name varios organism |
| genus | is a group of simualir species |
| phylogeny | is the evolutionary history of an organism that is how the organism has changed over time |
| kindom | there are boarder groups preceding species the largest |
| Cell theory | States that organisms are made up of one or more cells the cell is the basic unit of life and all cells come from other cells. |
| Cell wall | a tough rigid outering covering that protect cells and gives them shape |
| Cell membrane | the protective layer surrounding every cell |
| Cytoplasm | cells are filled with a gelaninlike substance |
| Ribosomes | cells make their own protien on small structures |
| Organelles | within the cytoplasm of the eukaryotic cells are stuctures |
| Nucleus | all cellular activites are directed by nucleus |
| Chloroplasts | in plant cells food is made in green organels in the cytoplasm |
| Mitochondria | the energy in food usually is released by mitochondria |
| Endoplasmic reticulum | is a series of folded membranes in which can be processed and moved around inside the cell |
| Golgi bodies | after proteins are made in the cell they are tranferred to another type of cell organelles |
| Tissue | is a group of similar cells that work together to do one job |
| Organ | is a structure made up of two or more different types of tissues that work together |
| Organ system | a group of organs working together to perform a certain function |