Which two characteristics are shared by seedless vascular plants and nonvascular plants? they both have xylem and true stems. they both have true stems and use spores to reproduce. they both live in moist environments and have xylem. they both live in moist environments and use spores to reproduce.

The answer is " They both live in moist environments and use spores to reproduce. ". I know this cause I took the test and aced it, as seen below.

the answer to your question is b

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.