Term
|
Definition
| normally live in the community |
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Term
|
Definition
| migrate deliberately into a community |
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Term
|
Definition
| serves as a warning of damage to community |
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Term
|
Definition
| critical ecological roles |
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Term
|
Definition
| communities in ways that benefit each other |
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Term
| name the 5 types of species |
|
Definition
- native
- non-native
- keystone
- indicator
- foundation |
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Term
| name the 5 types of species interactions |
|
Definition
- mutualism
- predation
- commensalism
- parasitism
- competition |
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Term
|
Definition
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Term
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Definition
| one capture the other to feed off of it |
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Term
|
Definition
| one benefits, other is unaffected |
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Term
|
Definition
| one lives/feeds off the other, other is hurt |
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Term
|
Definition
| two or more species try to use the same resource |
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Term
| how can species avoid competition? |
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Definition
|
|
Term
| how can species avoid predation? |
|
Definition
| protective shells/thorns, camouflage, foul smell, mimicry, warning coloration or poison |
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Term
| list adaptations that help predators capture prey |
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Definition
| speed, ability to swim, vision, ability to fly, and hunts in packs |
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Term
|
Definition
| gradual change in specie's composition of a given area |
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Term
| list the two types of ecological succession |
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Definition
|
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Term
|
Definition
| bare rock, cooled lava, abandoned parking lot |
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Term
|
Definition
| abandoned farm, burned/cut forests, land that's been flooded |
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Term
|
Definition
| max rate at which the population can increase |
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Term
| what determines biotic potential? |
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Definition
|
|
Term
| what causes an increase in biotic potential? |
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Definition
|
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Term
|
Definition
| growth in which a population size increases at a constant rate per unit of time |
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Term
|
Definition
| growth in which exponential population growth occurs when its small and the population growth decreases steadily |
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Term
| what happens when an organism exceeds the carrying capacity? |
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Definition
| move, switches eating habits, or declines in size |
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Term
|
Definition
| number of births that occur to a woman or a population |
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|
Term
| list the 2 types of fertility |
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Definition
| replacement level & total fertility rate |
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Term
|
Definition
| increase or decrease in a population |
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|
Term
| how do you calculate population change in a particular year? |
|
Definition
| (births + immigration) X (deaths + emigration) |
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|
Term
| what factors affect birth rate and fertility? |
|
Definition
| education, marriage age, abortions, and employment of the woman |
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Term
|
Definition
| annual number of deaths per 1,000 people in a population |
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|
Term
| factors that affect death rate |
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Definition
| food, medicine, and water |
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Term
| a high infant mortality rate is often associated with |
|
Definition
| abortion, malnutrition, or illness |
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Term
| two useful indicators of overall health in a country or region are |
|
Definition
| life expectancy and infant mortality rate |
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|
Term
| the number of children a woman has is affected by |
|
Definition
|
|
Term
| the age structure of a population is |
|
Definition
| percentage of the population at each age level |
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|
Term
| age structure diagrams are useful in identifying |
|
Definition
| how fast populations grow or decline |
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|
Term
| population age structure diagrams can be divided into the following categories |
|
Definition
- expanding rapidly
- expanding slowly
- stable
- declining |
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Term
| basic family-planning policies in most countries include... |
|
Definition
| educational and clinical services that help couples |
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|
Term
| what factor has been a major factor in reducing births and abortions throughout most of the world? |
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Definition
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|
Term
| women tend to have fewer and healthier children when they... |
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Definition
| are educated, have rights, and hold a paying job outside the house |
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