It would be better to be an R-selected species because they tend to reproduce faster then other animals. This means that if the water is limited then these r-selected species will have many offspring that can continue the breed and genes of the species.
Primers are small snippets of DNA homologous to different regions in a target gene. For any targeted DNA gene at least two primers are necessary to delimitate a DNA variable segment targeted to be amplified.
4. Gene Pool is not a mechanism, thus your answer!
Scientists have developed a synthetic substance that can be used to replace damaged brain tissue. The correct option among all the options that are given in the question is the last option or option "D. The other options in question can be negated easily. I hope the answer has come to your help.