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Nature Quest Quizzes and Trivia Questions
Nature Quest connects plants, animals, and the environments they share. Begin where rivers meet the sea: discover estuaries, brackish water, and the difference between saltwater and freshwater coastal systems. Use the explanations to understand habitats rather than just recall names.
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Major Nature Quest subtopics
- Plants and forests
- Oceans
- Ecosystems
- Conservation
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Nature Quest questions and answers
Try each question before opening its answer and explanation.
1. What is a coastal estuary?
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Answer: A partly enclosed water body where river water and seawater mix
An estuary connects freshwater from land with the coastal ocean.
Source: NOAA: what is an estuary?
2. What does brackish water mean?
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Answer: Water with salinity between fresh water and seawater
Mixing river water with seawater creates brackish conditions.
Source: NOAA: what is an estuary?
3. Does water in an estuary have to remain at one salinity?
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Answer: No
Salinity changes as the amounts of fresh water and seawater change.
Source: NOAA: what is an estuary?
4. Which moving ocean phenomenon influences coastal estuaries?
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Answer: Tides
Tidal movement brings seawater into and out of these coastal systems.
Source: NOAA: what is an estuary?
5. Can freshwater estuaries exist?
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Answer: Yes
The Great Lakes have freshwater estuaries where river and lake waters mix.
Source: NOAA: what is an estuary?
6. Why are freshwater estuaries different from coastal saltwater estuaries?
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Answer: They mix river water with freshwater lake water
They do not require seawater to form an estuary system.
Source: NOAA: what is an estuary?
Keep practising
More Nature Quest practice questions
These questions come from the live QZify category pool. The selection refreshes periodically.
1. Which of these statements is true about the diet of the platypus?
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Answer: Platypuses are carnivores
2. What scale is used only to describe hurricanes forming in the Atlantic Ocean and northern Pacific Ocean?
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Answer: Saffir-Simpson Hurricane Scale
3. In nature, chinchillas can be found in only one color. Which one is it?
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Answer: Grey
4. To what continent is the unique Maned Wolf endemic?
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Answer: South America
5. What does the diet of the Eastern Tiger Salamander mainly consist of?
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Answer: Insects
6. The diet of the koala consists mainly of what plant species?
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Answer: Eucalyptus
7. What colour is the female blackbird?
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Answer: Brown
8. During what geological time period did the ammonites evolve?
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Answer: The Devonian period
9. Which species is a "mountain chicken"?
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Answer: Frog
10. How long is the gestation period of a tiger?
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Answer: 16 weeks
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