Most mammals including humans are endothermic. Reptiles and amphibians are ectothermic.
Differential reproduction means that some organisms in a population produce more offspring than others.
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Differential reproduction refers to the difference between individuals in a population and how many offspring they are able to leave.The best adapted organisms to a given environment will leave more offspring than those who are not well adapted. Differential reproduction depends on the natural selection.</span>
Carbon atoms got 4 surface electrons which makes them in the middle regarding the electrical surface charge and they can make a maximum relations of 4
