Relationships and Population Dynamics CC
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| Adaptation | a process, change, method, characteristic or feature that an organism or species possesses, develops or evolves that suits/adjusts the organism to its environment to increase its chances of survival and reduce competition.
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| Competition | the struggle/rivalry/fight between organisms to obtain a sufficient supply of a resource of limited quantity. Animals vie with each other for food, shelter and space, and plants vie for space, light, water and minerals.
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| Contest competition | involves an active physical confrontation between two organisms, one wins e.g. two dogs fighting over a bone, one wins the bone.
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| Parasitism | a relationship between two organisms where the parasite benefits and the host is harmed.
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| Population | a group of organisms of the one species living in part of an ecosystem.
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| Predation | the act, of some animals which capture and kill other animals for food.
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| Predator | An animal that hunts, captures and kills other animals (prey) for food.
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| Prey | An animal that is hunted and killed by another animal (predator) for food.
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| Scramble competition | a struggle between organisms where each organism tries to acquire as much of the resource as possible, all get some of the resource e.g. an ivy plant and a pine tree may compete for light.
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| Symbiosis | a biological relationship between two organisms of different species living together, or one within the other, in such a way as to benefit one or both of the organisms.
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| Qualitative study | a study determining the presence/absence of a substance or organism in a sample or habitat.
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| Quantitative study | a study determining the amount of a substance or number of an organism present in a sample or habitat.
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