1. Which of these ecosystems is characterized by daily tidal changes?

2. Coral reefs are a key part of which ecosystem?

3. Which ocean zone receives enough sunlight for photosynthesis to occur?

4. What type of ecosystem is characterized by its still or slow-moving water?

6. Which zone has no sunlight penetration and is characterized by extreme pressure and cold temperatures?

7. Which ecosystem is characterized by shallow water and nutrient-rich sediment?

8. Which ecosystem supports the highest biodiversity among marine ecosystems?

9. Which ecosystem is characterized by the constant flow of water over rocks and substrates?

10. What is the primary source of energy in the Open Ocean Photic Zone?

11. Which ecosystem is characterized by a mix of saltwater and freshwater species?

12. In which ecosystem would you find mangroves and salt marshes?

13. What distinguishes the Intertidal Zone from the Coastal Ocean?

14. What type of organisms form the base of the food chain in the Open Ocean Aphotic Zone?

15. Which ecosystem is typically characterized by high primary productivity and abundant nutrients?

16. What causes tides, which are an important feature of the Intertidal Zone?

17. Which ecosystem is characterized by the absence of a rigid substrate and a relatively stable environment?

18. In which ecosystem would you find submerged aquatic vegetation and a variety of fish species?

19. Which ecosystem is characterized by a strong current and the presence of riffles and pools?

20. What is the main difference between the Open Ocean Photic Zone and the Open Ocean Aphotic Zone?

21. Which of these ecosystems is characterized by the presence of algae, fish, and invertebrates?

22. What is the primary force shaping the habitat and organisms in the Intertidal Zone?

23. Which ecosystem is characterized by low levels of nutrients and low biodiversity compared to other marine ecosystems?

24. In which ecosystem would you find the majority of the world's fish species?

25. Which ecosystem is important for the reproduction and nursery grounds of many fish species?

26. What type of ecosystem is characterized by the presence of peat and waterlogged soil?

27. Which zone is known for having the highest density of marine organisms due to abundant sunlight and nutrients?

28. In which ecosystem do waterfowl and wading birds commonly nest and feed?

29. What type of ecosystem is characterized by its seasonal nature and variation in water levels?

30. In which ecosystem are floating plants, such as water lilies, most commonly found?

31. Which biome is characterized by hot temperatures, high biodiversity, and high annual rainfall?

32. Which biome has permafrost and is characterized by cold temperatures, low precipitation, and short growing seasons?

33. In which biome would you find trees with needle-like leaves and a sub-layer of mosses and lichens?

34. Which biome has a dry season and a wet season and is characterized by grasses and scattered trees?

35. Which biome is characterized by moderate precipitation, warm summers, and cold winters with deciduous trees?

36. In which biome would you find organisms adapted to conserve water due to low precipitation levels?

37. Which biome is characterized by rolling grasslands, moderate rainfall, and periodic fires?

38. What is the primary factor that determines the distribution of biomes around the world?

39. In which biome would you find plants with shallow roots that quickly absorb water after infrequent rains?

40. Which biome is characterized by high levels of biodiversity and large mammals like elephants and giraffes?