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Midyear Science Voc

7th Grade Midyear Science Vocabulary

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