Which situation allows for evolution during gene duplication?
a. the original gene performs the same role as the mutated gene.
b. the original gene never duplicates.
c. a mutation occurs in one copy of the original gene.
d. existing genes are copied over generations.

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

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