Term
| What are three factors in recent history causing a human population increase? |
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Definition
1) An increase in the quality and quantity of food
2) Advances in medicine
3) Increased quality of life |
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Term
| What happens during the exponential phase of population growth? |
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Definition
| Growth is linear, there is maximal growth rate |
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Term
| What happens in the lag phase of population growth? Where is it on a graph? |
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Definition
| The lag phase is at the beginning of population growth. It is linear. |
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Term
| What happens during the stationary phase of population growth? |
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Definition
| Nutrients are limited and the death rate = the birth rate |
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Term
| What happens during the death phase of popuation growth? |
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Definition
| Nutrients are depleted, there is excess waste and the curve begins to slope downward |
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Term
| How do you read a Leslie Matrix? |
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Definition
The row immediately beneath the age intervals is the fecundity - the number of offspring created per female per time increment.
The rest of the numbers are the survival rate of the column's age interval into the next age bracket. |
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