Science 7
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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Abiotic | Nonliving (has not ever been alive and never could be alive)
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Biotic | Living organisms (fulfills the 6 characteristics of living things)
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Organism/Individual | Any living thing
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Population | More than one of the same type (species)
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Community | Several different populations that interact in a specified area
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Ecosystem | All of the biotic and abiotic factors living together and interacting in a specified area
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Biome | A group of ecosystems with similar climates and organisms found throughout the world
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Biosphere | The part of Earth where life exists
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Population density | Number of organisms in a given area. (NJ is a very densely populated area)
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Direct Observation | A type of population determination where every organism is counted. Best for organisms that don’t move like plants
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Indirect Observation | A type of population determination where an estimate of the number of individuals is made based on looking at nest, burrows, tracks, droppings etc
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Sampling | A type of population determination where one counts the number of organisms in a small area (sample) and then multiplying to find the number in a larger area.
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Mark and Recapture | population determination, traps are used to capture animals & mark them. The animals are returned to their environment. Over time, groups of animals are trapped, they are checked for tags & a mathematical formula is then used to estimate population size.
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Immigration | Populations moving INTO an area
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Emigration | Populations EXITING and area
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Reproductive Potential | The theoretical unlimited growth of a population over time (if conditions are right)
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Limiting Factors | any biotic or abiotic factor that acts in some way to limit the number of individuals that survive and reproduce in a population
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Carrying Capacity | The maximum number of individuals an environment can support
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
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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.
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:
mkolinchak
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