He proposed that over a large period of time natural selection could lead to change in order to better adapt a species to their changing environment
C. Combine with hemoglobin to form oxyhemoglobin
An electron is transferred from an electron to the other
Herbivores are primary consumers because they only eat off of plants.
Answer:
As blood moves through the capillaries, the oxygen and other nutrients move out into the cells. Then waste matter from the cells goes into the capillaries. As the blood leaves the capillaries, it moves through the veins. Veins merge into larger tubes to carry the blood back to the heart.
Explanation:
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