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Definition
| A group of organisms that belong to the same species and live in a particular place at the same time. |
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Definition
| How crowded a population is. |
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Definition
| The spatial distribution of individuals within the population. |
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| The number of births occuring in a period of time. |
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Definition
| the number of deaths occuring in a period of time |
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Definition
| How long the average individual is expected to live. |
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Definition
| the distribution of individuals among different ages in a population. |
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Definition
| The show the probability that members of a population will survive to a certain age. |
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Definition
| The amount by which a population's size changes in a given time. |
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Definition
| The movement of individuals into a population. |
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Definition
| The movement of individuals out of the population. |
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Definition
| The observation that populations can grow in a pattern. |
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Definition
| Any factor that resricts the growth of a population. |
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Term
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Definition
| Builds on the exponential model but accounts for the influence of limiting factors. |
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Term
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Definition
| K; the number of individuals the environment can support over a long period of time. |
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Term
| Density-Independent Factors |
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Definition
| Reduce the population bu the same proportion, regardless of the popultaion's size. (ex: floods, fires, etc.) |
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Term
| Density-Dependent Factors |
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Definition
| Triggered by increasing population density. (ex food shortages, etc.) |
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Term
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Definition
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Term
| Hunter-Gatherer Lifestyle |
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Definition
| Hunting animals of gathering berries, nuts, fruits, shellfish, etc for ways of food. |
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Term
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Definition
| 10,000-12,000 years ago; the time people began to domesticate animals and plants. |
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Definition
| Modern, industrialized countries. (ex. US, Japan, Germany, etc.) |
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Definition
| Poorer countries, populations grow fast. (ex. Asian countries, Central American countries, etc) |
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Definition
| Shows how these population changes happen. |
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