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Feb 27
A food chain is a linear sequence of organisms where each organism is eaten by the next organism in the chain. For example, a simple food chain could be grass being eaten by a grasshopper, which is then eaten by a frog, which is then eaten by a snake. Each organism in the food chain occupies a different trophic level, with producers (autotrophs) at the bottom and top predators at the top.
A food web, on the other hand, is a more complex network of interconnected food chains that shows the feeding relationships between multiple organisms in an ecosystem. It includes multiple pathways for energy and nutrients to flow through an ecosystem, providing a more realistic representation of the complex interactions between organisms.
Decomposers are organisms that break down dead organic matter, such as dead plants and animals, into simpler substances. They play a crucial role in recycling nutrients back into the ecosystem, making them available for other organisms to use.
Autotrophs are organisms that can produce their own food through photosynthesis or chemosynthesis. They are also known as producers because they produce organic compounds that serve as food for other organisms in the ecosystem.
Heterotrophs are organisms that cannot produce their own food and must obtain energy by consuming other organisms. They are also known as consumers because they consume organic matter produced by autotrophs.
Tolerance refers to an organism's ability to withstand or survive environmental conditions that may be harmful or stressful. Organisms with a high tolerance can thrive in a wide range of environmental conditions, while those with low tolerance may be more sensitive to changes in their environment. Tolerance is an important factor in determining an organism's distribution and abundance in an ecosystem.
A food web, on the other hand, is a more complex network of interconnected food chains that shows the feeding relationships between multiple organisms in an ecosystem. It includes multiple pathways for energy and nutrients to flow through an ecosystem, providing a more realistic representation of the complex interactions between organisms.
Decomposers are organisms that break down dead organic matter, such as dead plants and animals, into simpler substances. They play a crucial role in recycling nutrients back into the ecosystem, making them available for other organisms to use.
Autotrophs are organisms that can produce their own food through photosynthesis or chemosynthesis. They are also known as producers because they produce organic compounds that serve as food for other organisms in the ecosystem.
Heterotrophs are organisms that cannot produce their own food and must obtain energy by consuming other organisms. They are also known as consumers because they consume organic matter produced by autotrophs.
Tolerance refers to an organism's ability to withstand or survive environmental conditions that may be harmful or stressful. Organisms with a high tolerance can thrive in a wide range of environmental conditions, while those with low tolerance may be more sensitive to changes in their environment. Tolerance is an important factor in determining an organism's distribution and abundance in an ecosystem.
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