What percent of energy is transferred from the sun to the level indicated? (2 points)
1) 50 percent
2) 100 percent
03) 90 percent
4) 10 percent

10%

It can

be explained with the help of ten percent law which

states that only 10 percent of the total energy available

at any trophic level is passed on the higher trophic level .

Most of the energy is lost as heat or is used in the

process of cellular respiration.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.