Unit 2 - Population Dynamics Part2

What type of growth is represented behind?

• exponential
• logistics
• a good kind
• representative

Which of the following is an EXAMPLE of a density-dependent limiting factor?

• Water
• Major flood.
• Migration
• Thick fur

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The  number of individuals a habitat can sustain with the resources it has available

• Carrying capacity
• Limiting factors
• Resources
• Population

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An environmental factor such as storms and extreme heat or cold that affects population regardless of their density

• density- dependent factor
• population density
• dispersion
• density- independent factor

An environmental factor such as predation, disease, and competition that depends on the number of members in a population per unit

• dispersion
• density- independent factor
• density- dependent factor
• population growth rate

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What does a limiting factor do?

• makes a population grow large
• stops a population from growing large
• helps organisms adapt to abiotic factors
• provides geographical boundaries for migration

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In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?

• Squirrel Population
• Sunlight
• Grass available

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Which of the following is TRUE of predator/prey relationships?

• The amount of prey does not affect the number of predators.
• Herbivores are limited by the number of prey in an ecosystem.
• Humans are not considered predators.
• The number of predators is determined by available prey.

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Which limiting factor is independent of the number of individuals in a population?

• competition
• parasitism/disease
• stress
• natural disasters

Which limiting factor would increase due to the number of individuals in a population?

• Unusual weather
• Natural disaster
• Births
• Disease