Which of the following organs is paired incorrectly with its function? ovaries — produce eggs
testes — produce sperm
uterine tube — site of fertilization
vas deferens — produces fluid

each of the 46 original chromosomes splits into two daughter chromosomes, so there are two sets of 46 daughter chromosomes that end up in each cell. human cells have 46 chromosomes. each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere.

chordata is the answer

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.