The correct answer should be A. spores
Ferns don't have seeds and they reproduce using spores. Cones have seeds in them and seeds fall out. Pollen enters a flower and then the flower becomes a fruit. This is sexual reproduction of plants. Since ferns don't have this, they have to reproduce with spores.
Answer:
maybe if you payed attention in class, you would know the answer.
Explanation:
The answer i think is gene and i can garantee
it is correct
*High ventilation/low perfusion that Increased the cardiac output Decreased of the pulmonary vascular and the resistance and *Pulmonary hypertension,*Reduced the left ventricular preload
Pulmonary hypertension is happens when the pressure in the blood vessels and leading from the heart and the lungs is too high. With the pulmonary hypertension, the blood vessels in the lungs to develop the increased amount of muscle in wall of the blood vessels
It's a serious condition which can be damage the right side of the heart. and The walls of the pulmonary and the arteries to become the thick and the stiff, and that cannot be expand as well they allow blood through.
To know more about Pulmonary hypertension visit:
brainly.com/question/12974924
#SPJ4
Answer:a u have both ur parents genes Dd and Dd
Explanation:
