Answer:
By definition, tissues are absent from unicellular organisms. Even among the simplest multicellular species, such as sponges, tissues are lacking or are poorly differentiated. But multicellular animals and plants that are more advanced have specialized tissues that can organize and regulate an organism’s response to its environment.
Answer:
There is alternate splicing of the runner mRNA.
The 'D' in DNA stands for deoxyribose.
There are far to many variables to make a true accurate answer, this is coming from a medical responder BUT lots of texts say about 120 min....but that's very much debatable
Answer:
The answer would be A, to lead sperm cells to the ovary. Hope this helps you out!