The heart and the arteries of a person, both contracts to pump the blood throughout the body. The aorta, which is the largest artery of the human body, pumps the blood from the heart to the entire body of a person. The oxygen-rich blood is pumped out of the left ventricle when its contraction into the aorta, from where it is transported to the whole body.
Hence, the given statement is true.
<span><span>This
is because his hypothesis that an organism can pass on characteristics that it
has acquired during its lifetime to its offspring are not approved or </span>verified.
His hypothesis of the notion of inheritance of acquired traits was supplanted
by Mendelian genetics. Yet, because of the discovery of epigenetics and somatic
hypermutation interest in Lamarckism has continued.</span>
"Rainwater can replace or replenish freshwater sources" and "precipitation, such as rainwater, is a source of freshwater on Earth" statements describe freshwater sources
<u>Explanation:</u>
Rainwater a source of pure distilled water, evaporated by the sun. When it falls it comes in contact of air and land. when ground soaks the water it becomes mineral water. And it is safe for drinking.
All the freshwater sources are result of precipitation from the earth surface,in various form i.e rain,mist,snow. Freshwater falling as rain have materials dissolved from atmosphere in it,sea and the land over which the clouds has travelled.
It's called complete dominance of the dominant gene when it totally masks expression by the recessive gene.
