food webs ... and because in marine ecosystems, there are phytoplankton as well. These microorggansims are not apparant in terrestrial food chains
food chain
Trophic levels and food chains are connected in number of ways. Trophic levels show the energy transfer throughout the species in different food chains.
trophic levels.
Dolphins are near the top of the marine food chain
The trophic level is the level in the food chain that an animal occupies. The armadillo belongs to both the second and third trophic levels.
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Food webs are made from many food chains. A trophic level in every food chain is a stage where energy is transferred from a lower level to the next higher level. Trophic levels include producers, consumers (primary and secondary), decomposers.
energy pyramid or nutrient pyramid.
The different levels in a food chain are known as trophic levels. There are multiple levels, starting at the bottom with autotrophs, mostly plants that make their own food, and ending with apex predators, that are at the top and have no predators of their own.
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Higher trophic levels are animals that are higher up on the food chain. When animals lower on the food chain get effected by pollutants, it transfers to the animal that eats that one. And so on. So the animals on the higher trophic level eat the most animals(animals with the pollutants).