Answer:
It is necessary to separate oxygenated and deoxygenated blood separate in mammals and birds to maintain their body temperature. Also, if they both are mixed, the blood will get impure and it would be difficult for the heart to supply impure blood. We also can't live with impure blood so we most probably will die.
Angiosperms can use Insects animals and wind but not water.
so your answer is water.
GTGTTCTCGTTG. I transformed the mRNA strand to a DNA strand
Answer:
d their coats will become darker due to natural selection
Explanation:
A subspecies is a taxonomy category that ranks below species, usually permanent geographical isolated race. <span />
