Which of the following acts as a part of both the nervous and endocrine systems? A. the myelin sheath
B. the hypothalamus
C. the thymus
D. the pancreas

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

What makes a dominant allele different from a recessive allele