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4th Exam Vocabulary

Evolution and Ecology Vocabulary to Study for the 4th quarter Exam.

TermDefinition
Genetics The study of genes, heredity, and variation among living organisms.
Variation Differences among individuals of the same population.
Adaptation A characteristic that improves an individual's ability to survive and reproduce in a particular environment.
Natural Selection The process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals do.
Artificial Selection The human practice of breeding animals or plants that have certain desired traits.
Extinction The death of every member of a species.
Evolution The process in which inherited characteristics within a population change over generations such that new species sometimes arise.
Mutualism A relationship between two different species where both species benefit.
Parasitism A relationship between two different species where one species benefits and the other is harmed.
Commensalism A relationship between two different species where one species benefits and the other is neither helped nor harmed.
Predator An organism that kills and eats all or part of another organism.
Prey An organism that is killed and eaten by another organism.
Producer An organism that can make its own food by using energy from its surroundings.
Consumer An organism that eats other organisms.
Ecosystem A community of organisms and their abiotic or non-living environment.
Population A group of organisms of the same species that live in a specific geographic area.
Community All of the populations of different species that live in the same habitat and interact with each other.
Individual A single organism.
Habitat The place where an organism usually lives
Abiotic factors An environmental factor that is not associated with the activities of living organisms. (A non-living thing)
Biotic factors An environmental factor that is associated with or results from the activities of living organisms. (a living thing)
Decomposer An organism that gets energy by breaking down the remains of dead organisms and animal wastes and consuming or absorbing the nutrients.
Carnivores An organism that eats animals.
Limiting factor An environmental factor that prevents an organism or population from reaching its full potential of size or activity.
Species A group of organisms that are closely related and can mate to produce fertile offspring.
Herbivore An organism that eats only plants
Created by: amy.jensen
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