Large blood vessels that carry blood away from the heart to body tissues are called

Talking listening and reacting non verbally are all part of communicating

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen