Half a wavelength must fit exactly into the length of a vibrating cord.
Darwin named the process by which evolution proceeds artificial selection. Evolutionary theory predicts that species respond to similar -environments- in similar ways. ... Similar environments can lead to the -evolution- of similar animals, even if they are not close relatives.
<span>The study of the interactions between living things and their environment is called ecology.</span>
The answer is pronuclei. A pronuclei is the state of the
nucleus of either the sperm or the ovum after the sperm has entered the ovum
but the two nuclei have not yet fused. When the sperm enters the ovum, the membrane
of the sperm pronuclei dissolves hence leaving no barrier for the two genetic
materials to combine.
To reduce erosion and to get rid of pesticides on farms