Which of the following organisms is a producer and performs photosynthesis?
mealworm
fish
human
potato

answer; ///(b) it is composed of four protein chains and four heme groups;

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

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.