According to Darwin, Factors that affect growth of populations:
1) Birth rate
2) Death rate
3) Immigration
4) Emigration
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It assures the insemination process because the cytoplasm
contains the organelles ( mitochondria, Golgi apparatus, cytoplasmic reticulum
etc. ). It is the go-between and transfers information between each organelles.
Also, cytoplasmic transfer includes proteins, and mRNA along with the cytoplasm
(and its organelles) to be taken from the donor egg.
C is your answer :)
And also C and D are true but its C.
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The nervous system is referred to as a communication system because it carries messages to and from all parts of the body.