Term
| Based on your readings, which of the following bestdescribes changes in the mode of human population over the 12,000-year period illustrated? |
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Definition
The population is today growing faster than before, mainly because its environment has improved.
“Regulatory”forces today differfrom those in effect earlier. |
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Term
| So what sortsof forces can act upon populations to permit, slow, or prevent growth, and how? |
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Definition
| constrained mainly by an outside force that intervenes to stop growth or constrained mainly by the population’s own size, that stops it from growing further |
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Term
| Which two are essential to understandingthe ecology of populations? |
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Definition
| An understanding of both the processes of growth, andthe controls on growth |
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Term
| Growth is multiplicative and can occur two ways |
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Definition
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Term
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Definition
Occurs in steps and by the time offspring are growing, the parent plant is long since dead.
(Ex annual plants) |
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Term
| What would the population growth depend on if an organism grows discretely? |
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Definition
| Population growth will therefore depend on how many successful offspring are produced per average adult plant |
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