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RISD 5th 1st 9 wks.
science vocab. RISD 1st 9 wks.
| Science Vocabulary | Meaning |
|---|---|
| niche | the position or function of an organism in a comunity of plants or animals |
| food web | a series of organisms related by predator-prey relationships |
| adaptation | a change in structure or habits by which a species improves its condition in relation to its environment |
| ecosystem | a system formed by the interaction of a community of organisms with their environment |
| migration | moving from place to place |
| decomposer | an organism, usually a bacterium or fungus, that breaks down the cells of dead plants and animals into simpler substances |
| producer | an organism, as a plant, that is able to produce its own food from inorganic substances |
| consumer | an organism, usually an animal, that feeds on plants or other animals. |
| roots | The usually underground portion of a plant that lacks buds, leaves, or nodes and serves as support, draws minerals and water from the surrounding soil, and sometimes stores food |
| stems | A slender stalk supporting or connecting another plant part, such as a leaf or flower |
| leaves | any similar or corresponding lateral outgrowth of a stem |
| photosynthesis | The process in green plants and certain other organisms by which carbohydrates are synthesized from carbon dioxide and water using light as an energy source. Most forms of photosynthesis release oxygen as a byproduct. |
| cell | a usually microscopic structure containing nuclear and cytoplasmic material enclosed by a semipermeable membrane and, in plants, a cell wall; the basic structural unit of all organisms |
| nucleus | a specialized, usually spherical mass of protoplasm encased in a double membrane, and found in most living cells, directing their growth, metabolism, and reproduction |
| cytoplasma | The protoplasm outside the nucleus of a cell |
| membrane | the thin, limiting covering of a cell or cell part |
| organelle | a specialized part of a cell having some specific function; a cell organ. |
| muscular system | The bodily system that is composed of skeletal, smooth, and cardiac muscle tissue and functions in movement of the body or of materials through the body, maintenance of posture, and heat production |
| nervous system | system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia |
| organs | A differentiated part of an organism, such as an eye, wing, or leaf, that performs a specific function |
| tissue | a group of similar cells acting together to perform a specific function in the body |
| inherited trait | tending to occur among members of a family usually by heredity |
| learned behavior | knowledge gained by study, instruction, or experience |
| instinct | An inborn pattern of behavior that is characteristic of a species and is often a response to specific environmental stimuli |
| metamorphosis | a profound change in form from one stage to the next in the life history of an organism, as from the caterpillar to the pupa and from the pupa to the adult butterfly |
Created by:
sgrubb
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