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Diversity of Life 4
| Term | Definition |
|---|---|
| classification | a system or way of organizing living things |
| colony | a group of organisms of the same species living together |
| culture | a growth of organisms on a prepared material |
| decomposers | organisms that obtain energy from wastes or dead organisms |
| domains | largest taxonomic group that includes Archaea, Bacteria, Eukarya |
| e. coli | bacteria in the large intestine of humans and other animals |
| eukaryotes | have nucleus and membrane bound organelles |
| fungi | a eukaryotic organism including molds, mushrooms, and yeasts. |
| molecule | groups of two or more atoms held together by chemical bonds |
| plasmid | circular pieces of DNA found in bacteria |
| microorganism | a small living thing that can only be seen with a microscope |
| prokaryote | a unicellular organism that lacks a nucleus |
| spore | a tiny cell that is used by fungi for reproduction |
| unicellular | single-celled |
| multicellular | more than one cell |
| DNA | contains the genetic information that makes up the chromosomes |
| cell wall | a rigid structure that surrounds the cell membrane and provides support and protection to the cell |
| chloroplast | an organelle that captures energy from sunlight and converts it into chemical energy |
| large central vacuole | stores water and helps give shape to the cell |
| mitochondria | an organelle that converts energy into a usable form ATP |
| ribosomes | an organelle that makes proteins |
| endoplasmic reticulum (er) | an organelle that functions as a transportation system and moves materials around the cell |
| cell membrane | a cell structure that controls which substances can enter or leave the cell |
| nucleus | an organelle that provides instructions to the cell and contains the DNA |
| cytoplasm | a jellylike fluid inside the cell that contains all of the other organelles |
| cell | basic unit of life |
| Eukarya Domain | includes all eukaryotic organisms |
| Archaea Domain | includes prokaryotes that can live in extreme environments |
| Bacteria Domain | includes prokaryotes that humans come into contact with every day |
| kingdom | 2nd largest taxonomic group |
| taxonomy | the scientific study of how living things are classified |
| binomial nomenclature | two-part scientific name |
| autotroph | describes organisms that produce their own food, usually photosynthesis |
| heterotroph | describes organisms that must consume other organisms for food |
Created by:
mrsfeeley
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