Which of the following is least likely to be a source of genetic variation among living organisms?

Explain why the plants cortex would serve as the best food source for animals

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone