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Nature's Significance
Contributed by: Banks
  • 1. What is the primary function of photosynthesis?
A) To consume glucose
B) To absorb water
C) To produce carbon dioxide
D) To convert sunlight into energy
  • 2. What percentage of Earth's surface is covered by oceans?
A) 80%
B) 30%
C) 50%
D) 71%
  • 3. Which gas do plants primarily absorb during photosynthesis?
A) Methane
B) Nitrogen
C) Oxygen
D) Carbon dioxide
  • 4. What is biodiversity?
A) Soil quality
B) Variety of life in an ecosystem
C) Ocean pollution
D) Climate change effects
  • 5. What is the largest rainforest in the world?
A) Amazon rainforest
B) Congo rainforest
C) Taiga
D) Sundarbans
  • 6. What role do bees play in ecosystems?
A) Pollination
B) Water collection
C) Soil digging
D) Seed dispersal
  • 7. Which animal is known as a keystone species in many ecosystems?
A) Sea otter
B) Honeybee
C) Bald eagle
D) Grey wolf
  • 8. What type of animal is the result of the warming of oceans?
A) Invasive species
B) Overfishing
C) Coral bleaching
D) Polluted waters
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