Answer:
the plant in the F1 were allowed to self-polinat the plant in the p generation are the true breeding
Answer:
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
Digestive enzymes secreted by the pancreas are:
trypsin (a protease)
lipase
maltase
Hormones secreted by the pancreas are:
insuline
glucagon
I think it’s o+ if not try o- sorry if this was no help