Arrange the following in correct order in food chain-
Fish,Plankton,Shark,Crab
Plankton, Fish, Crab, Shark.
Plankton, Crab, Fish, shark.
Depends on which fish and which crab. XD
In order to arrange the given organisms in the correct order in a food chain, we need to understand the concept of trophic levels. Trophic levels represent the different positions that organisms occupy in a food chain based on their diet and energy source.
1. Plankton: Plankton are tiny organisms, such as algae and small animals, that float and drift in water bodies. They can be classified into two categories - phytoplankton (tiny plants) and zooplankton (tiny animals). Plankton are primary producers in a food chain as they convert energy from sunlight into organic matter through a process called photosynthesis. Therefore, they occupy the first trophic level.
2. Fish: Fish feed on plankton as well as other small aquatic organisms like insects, crustaceans, and smaller fish. They are regarded as primary consumers and occupy the second trophic level in the food chain.
3. Shark: Sharks are larger predatory fish that primarily eat other fish. They are considered secondary consumers as they consume primary consumers. Hence, they occupy the third trophic level.
4. Crab: Crabs are scavengers and opportunistic feeders, mainly consuming dead or decaying organic matter, including plants, animals, and detritus. They occupy the same trophic level as the shark, as they are also secondary consumers.
So, the correct order in the food chain would be:
Plankton → Fish → Shark → Crab