Mutualism is where both animal help each other to benefit form each other. Win-Win . Commensalism is where nothing happen neither animal benefits from it .
<span>The atomic mass is the number of protons plus the number of neutrons in an atom.</span>
The major evolutionary episode corresponding most closely in time with the formation of Pangaea was the Permian Extinctions.
The Permian Extinctions happened around 300 million years ago and lasted for around 15 million years. It eliminated over 95 percent of water life and 70 percent of species on land. It was one of the largest extinctions in the history of Earth.
Enzymes<span> are protein molecules that are manufactured by all plant and animal cells. All cells require </span>enzymes<span> to survive and </span>function<span>. </span>Enzymes<span> are catalysts, which means that they make chemical reactions go faster, but are not changed by the reaction.</span>