Answer:
The right answer for the blank is cleavage.
Explanation:
After fertilization the next step is cleavage in which zygote divide mitotically. As the embryo move from oviduct down the fallopian tube it divide into two cell and then four cells. four cell embryo is known as blastomere.
The answer is <span>bird droppings that contain seeds from a different location.
</span><span>Gene flow includes a transfer of alleles from one population to another. So imagine a population of plant A on location 1 and another population of plant A on location 2. They cannot interchange their genes. But if birds drop seeds from location 1 and those seeds get to location 2, gene flow may occur.</span>
<span>When a system is behaving erratically, a graph of data measured from the system
</span><span>does not form a pattern.
</span>
All cells share four common components:<span>a plasma membrane: an outer covering that separates the cell's interior from its surrounding environment.cytoplasm: a jelly-like cytosol within the cell in which other cellular components are found.DNA: the genetic material of the cell.<span>ribosomes: where protein synthesis occurs.</span></span>