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The organisms that eat the primary consumers are called secondary consumers. Secondary consumers are generally meat-eaters— carnivores. The organisms that eat the secondary consumers are called tertiary consumers. These are carnivore-eating carnivores, like eagles or big fish.
Nov 21, 2022 · In the case of marine ecosystems, the trophic level of most fish and other marine consumers takes a value between 2.0 and 5.0. The upper value, 5.0, is unusual, even for large fish (Cortés 1999), though it occurs in apex predators of marine mammals, such as polar bears and orcas (Pauly et al. 1998).
Dec 9, 2016 · Last Updated: April 19, 2019. Secondary Consumer Definition. Secondary consumers are organisms that eat primary consumers for energy. Primary consumers are always herbivores, or organisms that only eat autotrophic plants. However, secondary consumers can either be carnivores or omnivores.
Oct 31, 2023 · The apex consumer, the walleye, has more than four times the amount of PCBs compared to phytoplankton. Also, based on results from other studies, birds that eat these fish may have PCB levels at least one order of magnitude higher than those found in the lake fish.
The second consumers (trophic level 3) in the desert food web include birds and scorpions, and tertiary consumers making up the fourth trophic level include bird predators and foxes.
Jul 31, 2022 · In some aquatic ecosystems, organisms from each trophic level consumed many organisms of the lower level, which caused DDT to increase in birds (apex consumers) that ate fish.
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Jan 13, 2024 · Birds of prey or predatory birds such as eagles, vultures, falcons, hawks, and owls are secondary consumers that hunt other animals. Large fish like sharks, piranhas, and barracudas are aquatic secondary consumers that feed on smaller fish and other marine organisms.
