Biology EOC Review Ecology

 What is the function of autotrophs in the carbon cycle?

• to use oxygen to produce glucose
• to take in excess water
•  to use carbon dioxide to produce glucose
• to feed on herbivores

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Two different populations of birds live in the same area and eat the same types of food. Which most likely describes the relationship between these two populations of birds?

• competition
• mutualism
• parasitism
• predator-prey

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The yucca plant releases a strong scent at night when the yucca moth is active. The yucca moth, attracted by the scent, gathers pollen from the yucca flower. The yucca moth then deposits her eggs and the pollen on another plant. This ensures that the plant will be cross-pollinated and that the yucca moth larvae have a steady food supply. Which relationship does this best illustrate?  

• commensalism
• mutualism
• parasitism
• predation

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 Which environmental concern is most associated with burning fossil fuels?

• global climate change
• ozone layer destruction
• decrease in levels of atmospheric carbon dioxide

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1.  Which substance is considered to be a factor affecting Earth’s ozone layer?

• chlorofluorocarbons
•  ethyl alcohol
•  nitrogen gas
• water vapor

This graph represents changes in human population over a period of 2,000 years.  What can be concluded from the graph?

• Human population grew at a constant rate over the last 2,000 years.
• Human population grew exponentially over the past 200 years
• Human population reached its carrying capacity around the year 1900
•  Human population will begin to level off around 2010

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 Which sequence shows increasing ecological levels of organization?

• organism, population, community, ecosystem
• ecosystem, population, organism, community
• community, ecosystem, population, organism
• population, organism, ecosystem, community

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

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Water temperature would be an example of ...

• A biotic factor
• An abiotic factor

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A collection of organisms that belong to different populations but all live in the same area and interact with one another.

• Population
• Ecosystem
• Community
• Ecosphere

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