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Chap:1 Lesson:1
What is life?
| Term | Definition |
|---|---|
| Cell | The basic unit of structure and function in living things |
| Budding | A form of asexual reproduction in which an organism grows out of the body of the parent |
| Neuron | A cell that carries information through the nervous system |
| Nonvascular plant | A low growing plant that lacks true vascular tissue for transporting materials |
| Notochord | A flexible rod that supports a chorchate's back just below the nerve cord |
| Nucleus | In cells, a large oval organelle that contains the cell's genetic material in the form of DNA and controls many of the cell's activities |
| Nymph | A stage of incomplete metamorphosis that usually resembles the adult insect |
| Open circulatory system | A circulatory system in which the heart pumps blood into open spaces in the body and blood is not confined to blood vessles |
| Parasite | An organism the benefits by living with, on, or in a host parasitism interaction |
| Pasteurization | A process of heating food to a temperature this is high enough to kill most harmful bacteria without changing the taste of the food |
| Peat | Compressed layers of dead sphagnum mosses that accumulate in bogs |
| Muscle | A tissue that contracts or relaxes to create movement |
| Motor Neuron | A neuron that sends an impulse to a muscle or gland, causing the muscle or gland to react |
| Multicellular | Consisting of many cells |
| Omnivore | A consumer that obtains energy by eating both plants and animals |
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