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UVA Mod 6 Vocabulary

TermDefinition
Abiotic factors all nonliving things in an ecosystem, including water, rocks, sunlight, weather, natural disasters, oxygen, space, hunting, and shelter
Symbiosis the relationship between two organisms that live together in an environment
Biological interactions the effects that the organisms in a community have on one another
Parasite an organism that lives inside or near another organism (host), typically using the host for nourishment and shelter
Predation a biological interaction in which a predator feeds on its prey
Mutualism a relationship in which two organisms benefit from each other
Commensalism a relationship in which one organism benefits while the other organism is neither helped nor harmed
Competition when two or more organisms need the same resource (food, water, space, territory, mates) for survival
Biotic factors all living things in an ecosystem, including animals, bacteria, plants, fungi, and other living species
Limiting factors the living and nonliving things present in an ecosystem that prevent a population from growing beyond a certain size, including food, water, available mates, and predators
Infectious agents things that gain access to other living organisms, causing harm
Natural processes processes existing in or produced by nature, including weathering, erosion, mountain formation, volcanic activity, and plate tectonics
Geologic time way to measure the sequence of significant events on Earth over time
Fossils Remains of living things trapped in layers of sediment, in ice, or on the seafloor
Extinct no longer exists
Theory of evolution states that living things change slowly over time in response to changes in their environment
Natural phenomena any state or process known or observed through evidence gathered using the five senses
Theory the explanation for a natural process or phenomenon that is well-supported using a large quantity of empirical evidence, including observations, experimentation, and reasoning
Law a descriptive statement or equation that accurately predicts a natural event or process that always occurs under certain conditions
Genetic variation the variety of genes that may be inherited in a population of a species
Natural selection a mechanism for the evolution of a population to become better adapted for survival in a specific environment
Camouflage The leopard uses its specialized coloration to hide in the trees, stalking its prey.
Mimicry The leaf wing butterfly perched on a tree could be easily mistaken for a dead leaf.
Created by: mpolitz
 

 



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