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Tenth Grade (Grade 10) Conservation and Biodiversity Questions

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Grade 10 Conservation and Biodiversity
The variety of different species living in a habitat is                .
  1. woodland
  2. transection
  3. zonation
  4. biodiversity
Grade 10 Conservation and Biodiversity
The declining number and variety of the species in an area is                     .
  1. loss of biodiversity
  2. supply and demand
  3. a developed nation
  4. sustainability
Grade 10 Conservation and Biodiversity
The variety of life across the biosphere is
  1. biodiversity.
  2. genomics.
  3. homeostasis.
  4. ecology.
Grade 10 Conservation and Biodiversity
The body of fresh water, salt water, and snow that is found aboveground is                .
  1. a river system
  2. a watershed
  3. an aquifer
  4. surface water
Grade 10 Conservation and Biodiversity
Which is a reason species are endangered?
  1. loss of habitat
  2. invasive species
  3. climate change
  4. all of the above
Grade 10 Conservation and Biodiversity
What is an endangered species?
  1. species in danger of extinction
  2. species in Africa
  3. species in developing countries
  4. species that are in zoos
Grade 10 Conservation and Biodiversity
Polar bears swim across large expanses of ocean while hunting for seals, their main source of food. The bears use sea ice as resting spots during their long swims. However, the sea ice is rapidly melting as a result of global warming. Which statement describes what MOST LIKELY will happen if global warming continues at its present rate?
  1. Polar bear and seal populations will both increase.
  2. Polar bear populations will decrease, and seal populations will decrease.
  3. Polar bear populations will increase, and seal populations will decrease.
  4. Polar bear populations will decrease, and seal population will remain the same.
Grade 10 Conservation and Biodiversity
Which factor can influence biodiversity in an ecosystem?
  1. temperature
  2. limited food and water
  3. lack of habitats
  4. all of the above
  5. none of the above
Grade 10 Conservation and Biodiversity
Which factor is the greatest threat to plant species?
  1. habitat destruction
  2. lack of pollinators
  3. lack of nitrogen compounds
  4. misunderstanding of plant life cycles
Grade 10 Conservation and Biodiversity
What is considered any material that is added to an environment that harms the living organisms?
  1. biotic factor
  2. abiotic factor
  3. pollution
  4. nitrogen fixation
Grade 10 Conservation and Biodiversity
Introduced species are a factor that threatens biodiversity.
  1. True
  2. False
Grade 10 Conservation and Biodiversity
Which phrase describes the term biodiversity?
  1. the animals that live in an area
  2. species that have become extinct
  3. species that look different from one another
  4. the number and variety of species that live in an area
Grade 10 Conservation and Biodiversity
Ladybugs and praying mantises are examples of a natural pest controller. These organisms reduce the need for farmers to use harmful pesticides. How does biological pest control (i.e., using ladybugs instead of pesticides) contribute to sustainable development?
  1. Biological pest control helps farmers spend less money on purchasing pesticides.
  2. Biological pest control does not cause pollution that can enter the food chain or harm other organisms.
  3. Biological pest control significantly declines species populations.
  4. Biological pest control is a myth.
Grade 10 Conservation and Biodiversity
What means to no longer have any organisms left on earth?
  1. pollution
  2. extinct
  3. threatened
  4. endangered
Grade 10 Conservation and Biodiversity
Density-dependent limiting factors include all except                       .
  1. competition
  2. predation
  3. parasitism and disease
  4. human disturbances
Grade 10 Conservation and Biodiversity
What does GMO stand for?
  1. genetically modified organism
  2. general motor organization
  3. genetically made organism
  4. general modified organism
Grade 10 Conservation and Biodiversity
On Earth, biodiversity generally increases from the
  1. poles to the equator.
  2. equator to the rainforests.
  3. East to the West.
  4. North to the South.
Grade 10 Conservation and Biodiversity
Which term means suitable for drinking?
  1. porosity
  2. aquifer
  3. reservoir
  4. potable
Grade 10 Conservation and Biodiversity
Corals are the building blocks of the oceanic reefs, but they are in danger of late because                                                     .
  1. they are running out of food
  2. they are sensitive to temperature fluctuations
  3. they are eaten by other marine animals
  4. they are losing their reproductive ability gradually
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