Which of the following defines a genome?
a) representation of a complete set of a cell's polypeptides
b) the complete set of an organism's polypeptides
c) the complete set of a species' polypeptides
d) a karyotype
e) the complete set of an organism's genes

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat.o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat.habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.