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Conservation and Biodiversity Questions - All Grades

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Grade 8 Conservation and Biodiversity
The first organisms in a disturbed area are                   .
  1. climax communities
  2. pioneer species
  3. succession
  4. biomes
Grade 5 Conservation and Biodiversity
Biodiversity can be maintained by protecting
  1. crops.
  2. habitats.
  3. factories.
Grade 8 Conservation and Biodiversity
The first organisms in a disturbed area are                   .
  1. climax communities
  2. pioneer species
  3. succession
  4. biomes
Grade 4 Conservation and Biodiversity
Which plants that have few nutrients are most likely to be the first plants in a new ecosystem?
  1. trees
  2. mosses
  3. flowers
  4. shrubs
Grade 8 Conservation and Biodiversity
Scientists are attempting to protect biodiversity by mating animals in zoos or on wildlife preserves using the method of
  1. habitat fragmentation.
  2. captive breeding.
  3. habitat preservation.
Grade 5 Conservation and Biodiversity
What term labels an organism or species in danger of becoming extinct, but not immediately?
  1. threatened
  2. endangered
  3. near extinct
  4. disappearing
Grade 5 Conservation and Biodiversity
Something that adds harmful substances to Earth's land, water, or air is a(n)
  1. decomposer.
  2. pollutant.
  3. biome.
  4. atmosphere.
Grade 7 Conservation and Biodiversity
What does the one "P" stand for as one of the main causes of biodiversity loss?
  1. pollution
  2. predator
  3. prey
  4. permafrost
Grade 9 Conservation and Biodiversity
In an ecosystem, how is biodiversity changing with the size of the region itself?
  1. As the size of the region increases, biodiversity decreases.
  2. As the size of the region increases, biodiversity also increases.
  3. As the size of the region increases, biodiversity fluctuates, both increasing and decreasing.
  4. As the size of the region increases, biodiversity disappears completely.
Grade 11 Conservation and Biodiversity
What are two human actions that affect life and biodiversity?
  1. deforestation and pollution
  2. weather and natural disasters
  3. farming and working in the factories
  4. raising animals on farms and eating them
Grade 4 Conservation and Biodiversity
A species that has more individuals dying than being born within a year is considered
  1. extinct.
  2. threatened.
  3. thriving.
  4. endangered.
Grade 11 Conservation and Biodiversity
Which factor is a cause of declining global biodiversity?

I. overharvesting
II. pollution
III. habitat loss
  1. I
  2. I and II
  3. I and III
  4. I, II, and III
Grade 4 Conservation and Biodiversity
If a habitat experiences a serious fire, the available resources will
  1. increase.
  2. decrease.
  3. not change.
  4. disappear forever.
Grade 3 Conservation and Biodiversity
Which condition would threaten animal survival?
  1. cleaning water
  2. protecting air
  3. cutting trees
  4. preserving shelter
Grade 5 Conservation and Biodiversity
What is a possible outcome when one or more components of an animal's habitat goes missing?
  1. The animal might die.
  2. The animal might migrate to a new habitat.
  3. The animal might adapt to the change.
  4. All of the above
Grade 8 Conservation and Biodiversity
What is extinction?
  1. the end of a breed of a species
  2. the end of an organism in a population
  3. the end of a species on Earth
  4. none of the above
Grade 4 Conservation and Biodiversity
What is an extinct species?
  1. alive
  2. almost dead
  3. no longer living on Earth
  4. endangered
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 4 Conservation and Biodiversity
Laws against                , or illegal hunting, help prevent extinction of species.
  1. driving
  2. polluting
  3. planting
  4. poaching
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