Which of the following is an example of a lentic ecosystem?
ARiver
BPond
CStream
DCanal
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Related Questions:
Which of the following statements accurately describes wetlands?
- Wetlands are areas that are permanently or periodically covered by water.
- Wetlands can only be natural formations and cannot be artificial.
- The water in wetlands can be fresh, brackish, or saline.
- Wetlands are defined as lands saturated with water up to a depth of 10 meters.
Select the statements that correctly describe edaphic factors in an ecosystem.
- Edaphic factors are primarily concerned with the air quality and atmospheric pressure of an environment.
- They include both inorganic substances like water, nitrogen, and phosphorus, and organic substances such as proteins and carbohydrates found in the soil.
- Edaphic factors directly influence the types of plants that can grow in a particular area due to soil composition.
- Humic substances are a key component of edaphic factors, contributing to soil fertility.
Which of the following statements accurately describe heterotrophs?
- Heterotrophs are also referred to as producers.
- They are generally animals that feed on other organisms.
- Consumers are also called phagotrophs, indicating their ability to ingest or swallow food.
What causes the decrease in oxygen content below the surface water layer?
- Increased photosynthetic activity at greater depths.
- Reduced penetration of sunlight, limiting photosynthesis.
- Enhanced diffusion of oxygen from the atmosphere.
- Decreased utilization of oxygen by decomposers.
How many biodiversity hotspots are identified globally, and how many are present in India?