Because there are fewer animals as you move up the food chain, it is really a food pyramid with the big carnivores needing to eat the most and so being the rarest of the animal kingdom. Food chains start with a primary producer. Secondary Consumer A secondary consumer is a consumer that eats a primary consumer. Secondary Consumers- Octopus and Large Fish; Tertiary Consumer- Sea Otter; Apex Predator- Great White Shark; Decomposer- Hagfish; If the octopus were to die out, the whole food web would be affected. For example, in this food web, of the area we were studying, the coyote eats the deer. Marine Food Web. There are five (5) main levels to a food chain: - Producer (plants) - Primary Consumer (herbivore) - Secondary Consumer (carnivore) - Tertiary Consumer (carnivore) - Decomposer (fungi, bacteria, earth worms etc.) Energy is then transferred to a primary consumer, then secondary, tertiary, and quaternary consumers in sequence. A food web consists of producers, consumers and decomposers. Secondary consumers are the food for carnivores or top predators that are tertiary or quaternary consumers. Food Web An ecosystem heavily relies on a food web. Food Web Diagram . Secondary Consumers. In each food web there are several trophic levels. There are fewer tertiary consumers than there are secondary consumers because each tertiary consumer needs to eat a lot of secondary consumers to live. The trophic level of an organism is the position it occupies in the food chain. An omnivore is an animal that eats both plants and animals. A food web is made up of several food chains joined together to create one big web. It also eats the red cardinal. Food chain diagram: Examples of food chains with four links ... A food web is a type of a food network with several inter-linked food chains in a habitat. These trophic levels include: primary producers, primary consumers, secondary consumers and tertiary consumers. A food web is a system of interlocking and interdependent food chains. If any single component of the food chain is disturbed the rest are also disturbed. If an ecosystem didn't have a food web, then the energy wouldn't flow smoothly from one animal to the next. Saturday, May 15, 2010. A food chain is a set of linkages that show who eats who in an ecosystem and the transfer of energy that takes place. In the first one corn is our producer, which is eaten by a mouse (the primary consumer), and the mouse is eaten by the owl (the secondary consumer). There are three types of consumers, here are primary, secondary, and tertiary consumers, and three consumers in the food web are mice, snakes, and owls. A secondary consumer in a food web is the carnivorous or omnivorous animal that feeds on the primary consumer, which is the organism (normally a plant) that eats the producer (normally a plant). See more. Red Cardinal Salamander Ducks. 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