When determining population size using direct observation, every individual in a population is counted: true or false

The correct answer is True.

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False, not necessarily.

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects