The answer is B mutualism
Answer:
Organisms can be classified into one of three domains based on differences in the sequences of nucleotides in the cell's ribosomal RNAs (rRNA), the cell's membrane lipid structure, and its sensitivity to antibiotics. The three domains are the Archaea, the Bacteria, and the Eukarya.
The stimuli plants respond to will be found in the environment. Example....plants grow towars the sun.
Digestive system occurs when youthe nutrients move from the digestive system into the blood system
-Each layer is younger than the one below it.
