![]() Ques: What is the Process of Nutrient Flow in the Benthic Zone? Īns: The creatures surviving in the benthic zone control the nutrients flow between the sediment layer and the water body. Sponges, crabs, water worms, and other microscopic organisms are among the foods they eat. Ques: How do Benthos Manage to Survive at the Bottom of the Ocean? Īns: Benthos are separated into deposit feeders and filter feeders and rely on one another. To thrive in the benthic zone, organisms must develop metabolism slowly and consume less energy (for example, sponges). The littoral zone will have more oxygen than the benthic zone. ![]() Movement of water on the surface (which mixes with air), raindrops dropping from oxygen-rich clouds, photosynthesis of hydrophytes and phytoplanktons, and so on are all sources of oxygen in water bodies. Because the benthic zone's pressure can crush some species, they need hard shells or skins to live (for example, Crabs). However, species in the benthic zone must adapt to the high pressure, scant food, and low oxygen conditions. Zooplanktons can eat phytoplanktons, while larger species can eat phytoplanktons, hydrophytes, zooplanktons, and each other. Phytoplanktons and hydrophytes can photosynthesise with the help of the sun. The sun reaches the littoral zone in its entirety. Ques: Why are there more live species in the littoral zone than the benthic zone? Īns: The sun is the source of all living things. The benthic zone is home to various crabs, sponges, snails, sea stars, and other organisms. Although such circumstances are not ideal for the survival of a diverse range of fauna and flora, sediment layers in the benthic zone aid nutrient recycling, allowing for the survival of diverse sea species in the upper surrounding water. Because of the depths it can reach, the benthic zone is characterised by cold temperatures, high pressure, and limited sunlight. The benthic zone includes the sediment surface. ![]() Read More: Heterotrophic Bacteria Nutrient Flow For example, primary producers (aquatic plants, algae) are classified as "phytobenthos," while all the consumers (benthic animals and protozoa) are classified as "zoobenthos." In addition, the title epibenthic refers to species living on top of the sediment, while hyperbenthos refers to organisms that live above the sediment. The benthos can be classified in many ways. The difference in the pressure can be considerably high (approximately one atm for every ten metres of water depth). ![]() This is because many species have evolved to withstand deep-water pressure and can no longer thrive in surface water. The organisms that survive in the benthic zone are referred to as benthos. Read More: Difference between adolescence and puberty. ![]()
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