Ecology Part 2 Quiz- Review Game

One way that humans could have a positive impact on local environments is to:

• generate waste products as a result of technological advances

• use resources that are renewable

• increase planting large areas of one crop

• increase the use of pesticides

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Malia’s biology class has been studying an area of forest by cataloging the various species within the area. After a forest fire occurs, her class is able to find living specimens for only half the plants they had originally catalogued. How will this reduction in plant species impact biodiversity in the area?

• New plants and animal species will move into the area immediately, causing biodiversity to remain stable.

• A decrease in plant species most likely will cause a decrease in animal species, therefore decreasing biodiversity

• Biodiversity will increase because invasive plants will take over the available space, increasing biodiversity.

• The reduction of plant species will not affect biodiversity because the animals that rely on the plants for food will seek out other resources.

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Which human activity is correctly paired with its likely future consequence?

• overfishing in the Atlantic — increase in supply of flounder and salmon as food for people

• B. development of electric cars or hybrid vehicles — increased rate of global warming

• increased use of fossil fuels — depletion of underground coal, oil, and natural gas supplies

• genetically engineering plants and animals — less food available to feed the world’s population

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The graph at right shows how a population changes over time. Which of the following can be concluded based on the graph?

• The population decreased in size over time.

• .

  The population grew rapidly and never reached its carrying capacity.

• The population grew in size until it reached its carrying capacity.

• The population grew quickly then died off just as rapidly after reaching the carrying capacity.

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Researchers have found that a local squirrel population fluctuates from year to year, increasing one year and decreasing the next. Which of the following factors would cause the squirrel population to grow?

• the birth rate is equal to the death rate

• emigration is greater than immigration

• the death rate is higher than the birth rate

• the birth rate is greater than the death rate

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Therese decides to study an open field behind a school because the farmer who owns the property has decided not to continue farming on it. During the first spring, only grasses and occasional corn stalks can be seen in the field. By year two, there are a few bushes and taller grasses growing. After four years, the entire field is waist deep in grasses and bushes. What biological principle is being demonstrated?

• evolution

• carrying capacity

• primary succession

• secondary succession

After a volcanic eruption covers an area with lava, there is almost no soil for organisms to live in. Over time, lichens and mosses begin growing on the hardened lava flows. Which type of succession is explained above?

• primary succession

• secondary succession

• tertiary succession

• quaternary succession

What is the species that is usually introduced to an area by accident, but soon take over the indigenous species?

• Invasive species
• bully
• absent species
• dominant species

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What is the role of the pioneer species in Primary Succession?

• To kill any remaining organisms from before the disturbance

• To break down rock and rebuild soil

• To provide food for large animals

• To put fresh oxygen into the air

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What is the name given to lichen or algae after a primary succession?

• pioneer species
• volunteer species
• founder species
• conqueror species

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