Well its a little deeper than that. The oxygen transport is made through Hemoglobin (red blood cells) which is pumped from the heart
Enzyme functioning is very much depends on it;s structure, and if it denatured due to deviation from normal physical conditions, then it won't function properly. Hence, your sentence is "True"
Hope this helps!
No, but it is known that old/sick prey is much easier to catch. The evidence is that, say, there's no old and sick prey. The predator has to eat regardless, and whatever is there for it to take, it will. Think of a lion and a zebra, and the zebra is eating grass in the middle of a field. The lion is going to take that chance.
<span>The genus in which the animal belongs and an indication as to where the animal lives.</span>
