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Midyear Science Voc
7th Grade Midyear Science Vocabulary
| Term | Definition |
|---|---|
| food_web | diagram that shows feeding relationships between organisms in an ecosystem |
| niche | role an organism plays in an ecosystem |
| inference | The statement "Ms. Smith loves apples because she eats an apple every day for lunch" is an example of an ____________. |
| parasitism | relationship between two organisms where one is harmed and the other benefits |
| limiting_factor | an environmental factor that prevents a population from increasing. |
| competition | an interaction between two organisms fighting over resources in a habitat |
| producer | an organism that can make its own food by using energy from its environment |
| nucleus | the organelle that directs all of the activities in a cell |
| cell | the basic unit of life |
| respiration | process in which glucose is broken down, releasing energy |
| biome | a large region characterized by specific type of climate and certain types of plants and animals |
| energy_pyramid | a diagram that shows an ecosystem's loss of energy and how that energy passes through the ecosystem's food chain |
| selective permeability | property of cell membranes that allows some materials to pass through while others cannot |
| commensalism | symbiotic relationship between two organisms where one benefits and the other is unaffected such as the remora fish and the shark |
| DRY-MIX | a way to remember which variable is plotted on each axis of a graph |
| mutualism | relationship between two organisms where both benefit such as oxpeckers(a type of bird)and rhinos where oxpeckers eat ticks and other parasites that live on the rhino's skin. |
| consumer | an organsim that eats other organisms and/or organic matter |
| homeostasis | an organism's ability to maintain stable internal conditions |
| osmosis | the movement of water molecules across a selectively permeable membrane |
| diffusion | the movement of molecules across a selectively permeable membrane from an area of higher concentration to lower concentration |
| chloroplast | cell organelle that captures energy from the sun and uses it to produce food |
| responding_variable | factor in an experiment that is measured; also known as the dependent variable |
| manipulated_variable | factor in an experiment that a scientist purposely changes; also known as the independent variable |
| abiotic | nonliving parts of the environment |
| biotic | living parts of the environment |
| bio | word part that means living or life |
| passive_transport | movement of materials through a cell membrane without the use of energy, such as diffusion |
| active_transport | movement of materials through a cell membrane where energy is used such as vesicles removing waste from a cell |
Created by:
glennjonesms
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