Natural selection and its evolutionary consequences
provide a scientific explanation for
(1) the fossil record of ancient life-forms
(2) predictions about the rate of global warming
(3) the amount of precipitation in a rain forest
(4) the amount of soil used to grow certain crops

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

i hope this

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse