Biodiversity and Human Impact on Ecosystems

Which of the following is a finite (not unlimited) resource?  

• solar energy 
• wind energy
• trees
• fossil fuels 

Which of the following is NOT a method of energy conservation?

• taking public transportation to work (bus, subway)
• riding your bike to work
• walking to work 
• driving alone in your car to work

Fishermen have harvested certain fish to the point where the population of that fish is decreasing. This level of direct harvesting could cause

• ecosystems to be improved for future generations
• ecosystems to be severely damaged
• the restoration of environmental stability
• all other fish species to increase in number

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During a landslide, many tons of rock slide down a hill in a very short time. A landslide would MOST LIKELY force animals living in the area to —

• move to a new area
• uncover all the buried plants
• develop new adaptations
• develop different types of diets

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Pollution can cause harm to the ___________.  

• air
• land
• water
• all of the above

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Conservation is the act of conserving, or protecting the environment, plants, and animals. What are some things you can do to help conserve our environment? 

• leave water on, leave TV on, run dishwasher with 1 plate
• run the washing machine with 1 shirt
• leave the refrigerator door open
• turn off water, turn off lights, turn off TV

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In some areas, foresters plant one tree for every tree they cut. This activity is an example of

• lack of management of nonrenewable resource

• a good conservation practice for renewable resources

• a good conservation practice for nonrenewable resources

• lack of concern for renewable natural resources

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Human impact on the environment is often more dramatic than the impact of most other living things because humans have a greater

• need for water

• need for food

• ability to alter the environment

• ability to adapt to change

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What effect will an invasive species have on the carrying capacity of an ecosystem?

• The carrying capacity will increase
• The carrying capacity for everyone will decrease
• The carrying capacity will only decrease for those in competition for same resource
• The carrying capacity for all animals will stay the same

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Which is one reason that trash and litter can hurt wildlife?

   

• Wildlife are afraid of human garbage.
• Trash covers the scent of other animals they are hunting.
• Wildlife may try to eat plastics and choke on them.
• Trash and litter removes their camouflage.