![]() ![]() Humans must be careful when they are eating crabs as the microalgae that the crabs eat may be poisonous to humans. Their first two legs at the front are known as claws. Crabs work together to provide food and shelter for their family. Depending on the species they feed on microalgae, dead fish, worms and mussels. Crabs move quickly by walking or running and they are strong swimmers. Here the discomposers that we can found in the intertidal zones are :Ĭrabs live in the subtidal zone and are sometimes found in the rocky intertidal zone. Green macroalgae such as Ulva intestinalis and Ulva lactuca can also be found in the intertidal zone.Those are other marine life that live on the rocky shore too, these marine life can call the discomposers in the intertidal zone. Some brown algae live in the intertidal zone, species such as Ascophyllum nodosum, Fucus vesiculosis and Fucus serratus live here. The intertidal zone is a prefect habitat for many types of macroalgae. There is more sunlight on the intertidal zone and enough water for macroalgae to live here. Then, the wave action around the shore can wash away also the high exposure to the sun the temperature range can be extreme from very hot to near freezing in cold climates. Because the supply of water which marine organisms require to survive is intermittent. When the tide is high it is covered by water and when the tide is low it is dry but not completely dry. In the intertidal zone most common organisms are small and most are relatively uncomplicated organisms. Interdial zone is located between supratidal zone and the subtidal zone. Decomposers are considered as “Cleaners” of the ecosystem as they thrive to decompose the organic wastes of dead plants and animals, both in water and on land.ĭepending on the depth and availability of sunlight and temperature, the ocean is divided into different zones and this offers the presence of different type of organisms and the decomposers in each zone. We know that decomposers are the biotic or the living factors that occupy the fifth place in an ecological food chain. It’s time to tell now about descomposers after knowing all about others level. ![]() Their feast includes other fish, crustaceans, and even octopi. Tertiary consumers are snappers, sharks and dolphins. Tertiary consumers are the organisms that eat the secondary consumers, primary consumers and sometimes producers. ![]() Tertiary consumers are the fourth level in the food chain. Also goatfish and wrasses they eat everything from snails and worms. Like a Barracuda is a predatory sea fish, it has a long body and protruding jaws and teeth. Secondary consumers are the third level in the food chain and they eat primary consumers. ![]()
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