Lakes, ponds, pools, springs, streams, and rivers are examples which of the following aquatic ecosystem?
AFresh water ecosystems-
BMarine ecosystems
CBrackish water ecosystems
DNone of the above
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What are the three main components that make up the estuarine community?
Which of the following statements correctly describes the formation of hot deserts?
- Large hot deserts like the Sahara and Arabian deserts are found in the trade wind belt near sub-tropical high-pressure belts.
- These deserts are located under the ascending limb of the Hadley Cell, leading to increased condensation and precipitation.
- The descending limb of the Hadley Cell, which causes air to warm adiabatically and inhibits precipitation, is a key factor in their formation.
- Hot deserts are primarily formed due to extreme volcanic activity.
In a food chain, what trophic level do herbivores occupy?
Which of the following statements accurately describes salinisation?
- Salinisation is the process where the salt concentration in the soil increases.
- High evaporation rates can contribute to salinisation.
- Salinisation is a concern in areas with low evaporation rates.
- Salinisation is synonymous with soil salinity.
Which of the following are examples of ecosystem services directly provided or supported by biodiversity?
- Pollination and climate regulation.
- Flood protection and soil fertility.
- Production of food, fuel, fibre, and medicines.
- Biodiversity prevents all natural disasters.