key terms science 7th
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| biosphere | the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist
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| ecology | the study of the interactions that take place amoung and between organisms and the physical features of the enviroment
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| abiotic factor | meaning not alive, are nonliving factors that affect living organisms. Environmental factors such habitat (pond, lake, ocean, desert, mountain) or weather such as temperature, cloud cover, rain, snow, hurricanes, etc. are abiotic factors
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| biotic factor | meaning of or related to life, are living factors. Plants, animals, fungi, protist and bacteria are all biotic or living factors.
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| population | all the living individuals of one species that live in the same area at the same time and compete with each other for food, water,mates and space.
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| community | conssist of groups of populations that interact with each other for food, shelter, and other needs.
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| ecosystem | consist of abiotic community and the factors that affect it.
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| population density | size of a population that occupies an area of limited size
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| limiting factors | any biotic or abiotic factor that restricts the number of individuals
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| carrying capacity | largest number of individuals an enviroment can suport and maintain
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| symbiosis | any close relationship between two or more different species
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| food chain | a simple way of showing how energy in the form of food passes
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| food web | is a series of overlapping food chains
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| ecological pyramind | a transfer of energy
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| water cycle | constant journey of water molecules on earth as they rise into the atmosphere
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| nitrogen cycle | transfer of nitrogen from the atmosphere to plants and back to the atmosphere or directly into plants again
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
levis
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