Ecology EOC Review

Plants and animals that have migrated to areas where they did not originate and often displace native species by out-competing them for resources are called...

• habitat fragmentation
• endangered species
• invasive species
• extinct species

Biodiversity refers to

• extinct species
• the variety of species on Earth
• nonrenewable resources
• the rate of species decline

Which of the following best describes the importance of biodiversity?

• It maintains a wide variety of organisms
• It allows species to grow above their carrying capacity
• It allows populations to adapt ot change
• it prevents habitat destruction

The amount of energy that usually transfers from one trophic level to the next...

• 10%
• 20%
• 80%
• 50%

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?

• Precipitation
• Photosynthesis
• Respiration
• Bioremdiation

These gases, such as carbon dioxide, trap heat in the Earth's atmosphere causing global warming

• Global warming gases
• Hot House gases
• Green House gases
• Thermal pollution

Why is burning fossil fuels harmful? 

• then we won't have any fossil fuels if we burn them all
• They can get extremely hot
• Increases the amount of greenhouse gases in the air
• this would destroy fossils

Drilling and transporting fossil fuels causes damage to natural habitats and can lead to land and water pollution. 

• True
• False

Which greenhouse gas is produced most by the automobile industry? 

• Hydrogen
• Sulfur
• Methane
• Carbon Dioxide