Ecology Review SB5a,c

Carrying Capacity is

• the capacity of what one person can carry per day 
• how many animals you have in your daily bag limit at the end of the year
• wildebeest at a watering hole with zebras
• the maximum number of individuals that the environment can support

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In what year did this population exceed the carrying capacity of their environment?

• 1850
• 1900
• 1825
• 1800

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What are environmental factors that keep a population from increasing?

• Carrying Capacity
• Limiting Factors

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Which is NOT an example of a limiting factor?

• Climate
• Available Food & Water
• Available Space & Shelter
• Species color

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Unrestricted populations of organisms experience _____.  "Unrestricted" means populations that face few limiting factors and have plenty of available resources.

• exponential growth
• linear growth
• fertility
• biotic growth

What is the number of different species in an area?

• carrying capacity
• limiting factor
• biodiversity
• competition

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If a population grows larger than its environmental carrying capacity, then

• death rate may rise.
• death rate may fall significantly.
• birth rate may rise significantly.
• immigration rate may increase.

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If a country has a death rate of 30 individuals per year and a birth rate of 45, the natural change would show the population is ______.

• Increasing
• Decreasing
• Staying the same
• Fluctuating too much

What types of organisms are more likely to become endangered?
Hint:  which population would be most vulnerable to change?

• Those with large populations
• Those which breed rapidly
• Those with one food source
• Those which can easily adapt to a variety of habitats

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How does an invasive species affect an ecosystem?

• The invasive species interacts with all of the living organisms in a non-competitive way
• The invasive species travels between multiple different ecosystems or habitats to find food
• The invasisve species solely depends on birds for its food supply
• The invasisve species can disrupt biodiversity and food webs by competing with or harming species native to that ecosystem

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