Increasing the stimulation up to the maximal stimulus
Answer:
A.) The sexual phase can produce variations within the species
Explanation:
Sexual reproduction allows for the mixing of genes which creates variation. Since asexual reproduction just involves one cell, the daughter cells will be identical to the parent. Thus, no variation is created.
The correct answer is: B) coal.
Coal is a sedimentary rock black or brown color composed of carbon with variable amounts of other elements such as hydrogen, sulfur, oxygen, and nitrogen. The formation of coal goes through two steps: decay of dead plant matter into peat and conversion of peat into coal under the influence of heat and pressure of deep burial.
Answer:
what are the two patterns?