Pioneer species are the first species that colonize places where there were previously no other living organisms, such as algae that colonize bare rocks. ... Therefore, they pave the way for other species to establish themselves at the location through the creation of new potential ecological<span> niches.</span>
Prenatal<span> or antenatal </span>development<span> is the process in which a human </span>embryo<span> and later </span>fetus<span> </span><span> develops during pregnancy, from fertilization until birth.</span><span> It is in between the embryonic state and during the birth. Fetal development begins at the gestational age of eleven weeks. The fetal stage is recognized when an embryo develop to the point where the major body organs is present.
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The best example of hypothesis which leads to new experiment methods was done by Morgan where he used fruit flies.
Thomas Hunt Morgan continues on genetic research which is of Gregor Mendel.
Answer:
When it is in position one because it gathers all the energy to fall and slowly gets faster.