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Tenth Grade (Grade 10) Conservation and Biodiversity Questions

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Grade 10 Conservation and Biodiversity
Grade 10 Conservation and Biodiversity
The variety of life across the biosphere is called
  1. Biodiversity
  2. Genomics
  3. Homeostasis
  4. Ecology
Grade 10 Conservation and Biodiversity
Grade 10 Conservation and Biodiversity
On Earth, biodiversity generally increases from the
  1. Poles to the equator
  2. Equator to the rainforest
  3. East to the West
  4. North to the South
Grade 10 Conservation and Biodiversity
Grade 10 Conservation and Biodiversity
Which of the following 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
Grade 10 Conservation and Biodiversity
The declining number and variety of the species in an area is known as                     .
  1. loss of biodiversity
  2. supply and demand
  3. a developed nation
  4. sustainability
Grade 10 Conservation and Biodiversity
Grade 10 Conservation and Biodiversity
What means to no longer having any organisms left on earth?
  1. pollution
  2. extinct
  3. threatened
  4. endangered
Grade 10 Conservation and Biodiversity
Which of the following 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
Which of the following phrases 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
Which of these 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
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
Corals are the building blocks of the oceanic reefs, but they are in danger nowadays because                                                    .
  1. they're running out of food
  2. they're sensitive to temperature fluctuation
  3. they're eaten out by other marine animals
  4. they're losing their reproductive ability gradually
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