In multicellular organisms, meiosis is:
a. the means of tissue growth and repair
b. the means of asexual reproduction
c. able to occur in only a few cells of specialized tissues
d. a way of generating the same combinations of mutant creatures

What is it called when plants lose water though their leaves

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

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