Week 3 Vocabulary for Environmental Science
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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| population dynamics | the study of factors that affect the three phases of a population's life cycle (growth, stability, decline)
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| equilibrium | when there are equal numbers of births and deaths in a population
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| population explosion | rapid, exponential growth of a population; represented by a J-curve
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| biotic potential | when all of the individuals ever born in a population grow to adulthood and reproduce the maximum number of times
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| limiting factors | environmental resistance; a combination of the living & nonliving factors that may limit or stop a population's growth
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| carrying capacity | greatest number of individuals that can be sustained or supported by an area without the ecosystem breaking down
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| extinction | when all of the individuals in a group die
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| overkill | shooting, trapping, or hunting a species (often for sport or economic reasons) that results in a rapid decrease in the population's numbers
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| secondary extinction | when the death of one species causes the decline of another species (i.e. loss of bamboo causes panda population to decline)
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| minimum viable population | smallest population size that can avoid an extinction by environmental or genetic factors
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| geographic range | total area occupied by a species
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| biodiversity | all of the different living organisms in an area (variety of life)
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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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