1.Scaly skin. This keeps the animal from losing too much water to the environment.
2. <span>Shelled
amniotic egg. This allows the egg to incubate on land without drying
out, allowing the adults greater range on land than would be the case if
they had to return to water to lay eggs. </span>
Answer:
Harmful algae blooms is a result of nutrient pollution particularly nitrogen and phosphorus.
Answer:
In order to study or detect individual genes or specific DNA regions or mutations of interest, it is often necessary to obtain a large quantity of nucleic acid for study. Rather than isolate a single copy of the target DNA from a large number of cells, it is often more useful to generate multiple copies of a target from a single molecule of DNA or mRNA, via an in vitro amplification method.
Explanation: