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How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

Which element is found in both dna and proteins

The is an estimate of the fewest number of organisms a population needs to avoid extinction. this measurement will most if the number of offspring each female in the population produces increases. if the population's this measurement will most likely increase. 1 population density, minimum viable population, carrying capacity 2 decrease, be unaffected, increase 3 death rate increase, dead rate decrease