Aquatic Ecosystems Worksheet
Explore the diverse world of aquatic ecosystems, their characteristics, inhabitants, and ecological importance.
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Aquatic Ecosystems Worksheet
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which of the following is NOT a characteristic of a freshwater ecosystem?
Low salinity
High biodiversity
Presence of tides
Supports various fish species
2. Which zone of a lake is characterized by abundant sunlight and photosynthetic organisms?
Benthic zone
Limnetic zone
Littoral zone
Profundal zone
3. The area where freshwater meets saltwater is known as an .
4. Organisms that live on the bottom of an aquatic ecosystem are called .
5. The open ocean, away from the shore, is referred to as the zone.
6. Coral reefs are found in deep, cold ocean waters.
True
False
7. The photic zone in aquatic ecosystems receives sufficient sunlight for photosynthesis.
True
False
8. Describe the key differences between a lotic and a lentic aquatic ecosystem.
9. Explain the importance of estuaries as nursery grounds for many marine species.
10. Observe the pond ecosystem diagram below. Identify and label two abiotic factors and two biotic factors present in this ecosystem.
Abiotic Factor 1:
Biotic Factor 1:
Abiotic Factor 2:
Biotic Factor 2:
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