Q.1
Where are many critical biodiversity hotspots located?
  • islands, tropical rain forests, and coastal areas
  • cities and developed areas of the world
Q.2
What is THE most major cause of extinction today?
  • habitat destruction by humans
  • poaching
  • disease
  • hunting
Q.3
What is an invasive species?
  • A native (naturally found) species which are added to an area.
  • A non-native (not naturally found) species added to an area.
  • A keystone species in an environment
  • none of the above
Q.4
How many species are estimated to be living on Earth?
  • between 10,000 and 100,000
  • between 1 and 2 million
  • between 500,000 and 1 million
  • between 10 and 50 million
Q.5
The term diversity means
  • similarity
  • variety
  • Eastern
  • None of these
Q.6
Why is biodiversity important to ecosystems?
  • It helps populations adapt to ecological changes.
  • It increases at each level of the food chain.
Q.7
What level of biodiversity is most commonly equated with the overall concept of biodiversity?
  • genetic
  • ecosystem
  • species
Q.8
The variety of life in the world or in a particular habitat or ecosystem
  • biodiversity
  • demography
  • carrying capacity
  • poaching
Q.9
How can humans best help an endangered species avoid extinction?
  • they can feed the animals
  • they can put the animals in a zoo
  • they can protect the animal’s habitat
  • they can take the animal to new habitats
Q.10
In what part of the world are the greatest number of extinctions occurring?
  • in deserts
  • in the Arctic
  • in tropical rain forests
Q.11
Which of the following would be most effective in slowing the loss of biodiversity?
  • creating large parks/preserves in biodiversity hotspots
  • requiring every country to maintain a seed bank
Q.12
What are the five major causes of biodiversity loss?
  • deforestation, climate change, farming, invasive species, pollution
  • ocean acidification, invasive species, species extinction, over harvesting, climate change
  • habitat alteration, invasive species, pollution, over harvesting, climate change
  • climate change, urban sprawl, invasive species, over population, pollution
Q.13
The easiest component of biodiversity to measure is
  • ecosystem diversity
  • species diversity
  • genetic diversity
  • ecosystem health
Q.14
Which product is often derived from the natural environment?
  • cooking oiol
  • medicines
  • fuel
  • all of the above
Q.15
High levels of biodiversity tend to
  • have little to no effect on ecosystems
  • decrease an ecosystem's resistance
  • make an ecosystem less resilient
  • increase the stability of an ecosystem
Q.16
Which type of organism dwarfs all others in terms of species diversity?
  • plants
  • mammals
  • insects
  • protists
Q.17
The latitudinal gradient is a natural pattern in which species diversity generally
  • increases toward the equator
  • decreases toward the prime meridan
  • decreases in warmer climates
  • increases toward the poles
Q.18
Which of the following is an example of a method for managing whole ecosystems and habitats?
  • captive breeding
  • cloning
  • species survival plans
  • mapping biodiversity hotspots
Q.19
Which is the most direct way in which biodiversity can provide a source of income?
  • medicines
  • ecotourism
  • research
  • agriculture
Q.20
Which of the following are examples of nonrenewable resources...
  • Fossil fuels (oil, natural gas)
  • Minerals (radioactive material, etc)
  • Whole Forests
  • All of above
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