It shows the evolution of certain species through the bone structures of the fossils.
You can draw a free body diagram with two 250N forces acting on the human, one from each side. The net force is 0 because the two applied forces cancel each other out since they are in opposite directions.
Answer:
B. Three
Explanation:
Messenger RNA : mRNA : Encodes amino acid sequence of a polypeptide.
Transfer RNA: tRNA : Brings amino acids to ribosomes during translation.
Ribosomal RNA: rRNA : With ribosomal proteins, makes up the ribosomes, the organelles that translate the mRNA.
B. mixture in which its components retain their identity
The largest population ought to be the plants and rodents that eat the plants and the smallest should be the predators.
