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Standard 3 Dozier
Diversity of Organisms
Term | Definition |
---|---|
Organism | a living thing |
Vascular Plant | has a system of tubes that carry water and nutrients throughout the plant. |
Non vascular Plant | Does not have tubes. Usually grow close to the ground or moist places. |
Spore | a plant cell that grows into another plant cell. Example of asexual reproduction. |
Vertebrate | An animal that has a back bone |
Invertebrate | An animal that does not have a back bone |
Adaptation | Any feature that helps an organism survive in its enviroment |
Fossil | The remains, trace, or print of an organism that lived in a past age. |
Cell | Basic unit of life. |
Nucleus | Control center of a cell |
Cell membrane | Protect the cell and controls what enters and leaves |
Cell Wall | Supports the cell; only found in plant cells |
Cytoplasm | Contains organelles |
Chloroplast | Uses the sun's energy to make food for the cell; only found in plants. |
Organelle | a small structure that does a certain job in a cell. |
Unicellular | An organism made of only one cell. |
Multicellular | An organism made of two or more cells |
Respiratory System | Takes in oxygen. Main organ in the lungs |
Digestive System | Breaks down food. Main organ in the stomach |
Circulatory System | Carries oxygen, food, and waste throughout the body in the blood. Main organ is the heart. |
Skeletal System | Gives the body support and protect the organs. Main organ is the bones. |
Muscular System | Allows the body to move. Main organ is the muscles |
Nervous System | Controls all the other systems in the body. Main organ is the brain. |
Sexual Reproduction | Reproduction with two parents. Male and female parts. |
Asexual Reproduction | Reproduction with only one parent |
Budding | An example of asexual reproduction. A new plant grows from a "bud" off the parent plant. Ex. Potato |
Vegetative Propagation | An example of asexual reproduction. A new plant grows from a "runner" of the parent plant. Ex. Strawberry plant |
Producer | An organism that makes it's own food. Ex. Plants |
Consumer | An organism that cannot make their own food and must get energy from eating other organisms. |
Herbivore | An organism that eats only plants |
Carnivore | An organism that eats only animals |
Omnivore | An organism that eats both plants and animals |
Decomposer | An organism that gets energy by breaking down dead organisms |
Food Chain | A model that shows the flow of energy from one organism |
Food Web | Several food chains connected |