Ecology Review

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What is Commensalism?

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A type of symbiotic relationship where one species benefits and the other is neither helped nor harmed.

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What is Mutualism?

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A type of symbiotic relationship where both species benefit from the interaction.

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What is Parasitism?

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A type of symbiotic relationship where one species benefits at the expense of the other.

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What is Predator/Prey relationship?

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An interaction where one organism (the predator) hunts and eats another organism (the prey).

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What is a Community in ecology?

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A community is made up of all the populations of different species that live in the same area.

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What is an Ecosystem?

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An ecosystem includes all living organisms in a particular area, along with the non-living components of their environment.

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What is a Habitat?

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The natural environment in which a species lives, including all biotic and abiotic factors.

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What is a Niche?

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The role or function of an organism or species within an ecosystem, including its habitat, resource use, and interactions with other organisms.

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What happens to prey populations when there are not enough predators?

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The prey population may increase, but if it exceeds the carrying capacity, it may eventually lead to starvation.

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What is the significance of birth and death rates in population dynamics?

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If the birth rate exceeds the death rate, the population is likely to increase; if the death rate exceeds the birth rate, the population will decrease.