Question 20 of 20 :
orms &
esources
select the best answer for the question
20. a species of moth has evolved a very long tongue to reach nectar at the bottom of a species of orchid. 1
nectar tube, so that moths feeding on its nectar contact its pollen, it to reproduce. this is an example
a. independent evolution,
b. predatory evolution,
c. coevolution
d. chemical evolution,
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it is d

Explanation:

the correct answer would be 6 feet.

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.