what is the difference between food chains and food webs brainly?
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The Brainliest Answer! A food chain is just a one way process It proceeds from one organism to another. That means one organism can eat only one other organism . A food web is more or less has the same mechanism but it includes variety of organisms.
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As nouns the difference between ecosystem and system is that ecosystem is a system formed by an ecological community and its environment that functions as a unit while system is a collection of organized things; as in a solar system.
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This is the simplest way of showing feeding relationships. Food web : A food web shows multiple food chains, multiple relationships and connections. ... Food pyramid : More commonly known as an energy pyramid, a food pyramid takes the food chain but uses it to show how energy moves through a community.
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Chemical nutrients and energy tend to flow in the same direction for most of an ecosystem. The big difference is that the chemical nutrients are ultimately recycled in the ecosystem while the energy is ultimately lost from the ecosystem to the universe at large. ... Primary consumers then eat the plants for energy.
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Energy in a food web flows from producers to consumers to decomposers. Consumers and decomposers are heterotrophs. ... Plants and other producers such as algae use these nutrients, which include carbon, nitrogen and minerals. Organisms that act as decomposers include fungi, bacteria and other microbes.
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Parasitism occurs when one organism benefits and the other is harmed. Predation occurs when one organism eats the other.
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Giraffes eat trees and bushes for food, and lions eat giraffes. Each link in a food chain is food for the next link. Food chains always start with plants and end with animals. Plants are at the bottom of the food chain.
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A human food chain shows how nutrients and energy are carried from one living thing to another. There are two different parts to the food chain, the producers, who create food such as plants, and the consumers, who eat the food and use the energy that the food gives them.
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Trophic Levels A food chain follows one path of energy and materials between species. A food web is more complex and is a whole system of connected food chains. In a food web, organisms are placed into different trophic levels.
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Organisms in food chains are grouped into categories called trophic levels. Roughly speaking, these levels are divided into producers (first trophic level), consumers (second, third, and fourth trophic levels), and decomposers.
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Key points: Producers, or autotrophs, make their own organic molecules. Consumers, or heterotrophs, get organic molecules by eating other organisms. A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.
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Answer and Explanation: Biodiversity is important to the stability of food webs because it increases the complexity of interactions between organisms and makes them better...
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In ecology, a food web describes the feeding connections between organisms in a biotic community. Both energy and nutrients flow through a food web, moving through organisms as they are consumed by an organism above them in the food web. A single path of energy through a food web is called a food chain.
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A population has only one ecosystem, while a community has many ecosystems. ... A population has only one species, while a community has many species.
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['Competition & Predation. Predation is when one organism eats another organism to obtain nutrients. ... ', 'Commensalism. ... ', 'Parasitism. ... ', 'Mutualism.']
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A bottom-up system concentrates attention on how resources (space and nutrients) influence higher trophic forms. A top-down system focuses on interactions at top level consumers (predators) and their prey influence on lower trophic forms (Estes, 1996).
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Energy is passed up the food chain from one trophic level to the next. However, only about 10 percent of the total energy stored in organisms at one trophic level is actually transferred to organisms at the next trophic level. The rest of the energy is used for metabolic processes or lost to the environment as heat.