The correct answer is option b. They receive instructions in their DNA.
The DNA (deoxyribonucleic acid) or the genes present in the cell guides the fate of the cells during the process of cellular differentiation in the embryonic life of the multicellular organism. The signaling molecule change the genetic expression changes, by which the cells are differentiated.
Answer: Plant grass and lay straw at the sites.
Explanation:
Runoff is a flow over of water or any other liquid over a surface causing erosion. The flow of water is of high speed and rapid. It is not absorbed by the soil.
Plant grass and lay straw at the sites is the correct option this is because of the fact that the grass and lay straw will absorb the runoff water and prevent the erosion.
The flow of energy through a food chain and is the focus of study in ecological energetics In an ecosystem ecologists seek to quantify the relative importance of different component species and feeding relationships
Answer: I am not totally sure but I would say the answer would be (D)
Explanation: Exposure to Diborane will not kill you or anything like that but it will most likely cause you to have a cough, shortness of breath (but not to bad), and eye/skin irritation.
Answer: The answer is (D) usually made of tough fibers
Explanation:
