Where in the male reproductive system would you expect to find the most mature spermatozoa? a. in the head of the epididymis b. in the ductus deferens and ejaculatory duct c. in the seminal gland d. in the prostate gland e. in the seminiferous tubules?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.