If plants were able to respond in any possible way, what could plants have done to make plant productivity higher or atleast less variable over the past 400,000 year time period?

Which sequence represents a cross section of the bilayera hydrophilic head, hydrophobic tail, hydrophobic tail, hydrophilic headb hydrophobic tail, hydrophilic head, hydrophobic tail, hydrophilic headc hydrophobic head, hydrophilic tail. hydrophilic tail, hydrophobic headd hydrophilic tail, hydrophobic head, hydrophobic head, hydrophilic tail

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

What is the inability of an individual or a society to achieve a minimum standard of living known as ?