Which of the following best describes an ecosystem?
a) all of the non-living factors that characterize in a given area
b) all of the different species living in a given area
c) all of the members of a single species living in a given area
d) all of the biotic and abiotic factors in a given area

type 2 happens when excess consumption of high-sugar foods flood the blood supply with glucose and reduce the production and effectiveness of insulin. if a person has prediabetes, they can reduce the risk of full diabetes through regular exercise and a balanced, low-sugar diet.

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.