If the Diploid number (2n) of a cell is 80, then the haploid number (n) is

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In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -

Anonnative species is best described as a species that a. does not normally live in an area b. has no permanent home c. is a poor predator d. increase biodiversity

This diagram shows how seed plants are grouped. which is the missing label? bryophytes angiosperms pteridophytes monocots