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To increase the proportion of auxotrophic mutants in a population of bacteria,one may use
Plant
Multicellular organisms in the kingdom Plantae that use photosynthesis to make their own food, characterized by green pigmentation, cellulose cell walls, and reproduction via spores or seeds.
Secondary Consumer
An organism that feeds on primary consumers; typically a carnivore or omnivore that occupies the third trophic level in a food chain.
Decomposer
Organisms, such as bacteria and fungi, that break down dead organisms and waste materials, recycling nutrients in ecosystems.
Fungi
A kingdom of complex organisms that obtain nutrients by breaking down organic material, including molds, yeast, and mushrooms.
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