Answer:
Due to increasing the survival.
Explanation:
The natural selection causes a change in allele frequency leading to a change in the color of the frogs because the colour of the frog helps it in hiding from predators. The population of that frog specie increases which has the ability to hide from the predators in that environment while on the other hand, the population of frog decreases which can easily be seen by the predator due to its colour so this change in allele frequency will leads to natural selection.
The Black footed ferret would have lost it's main source of food!
Answer:
Answer is false.
Explanation:
Countershading is a form of way of camouflage, where the top of an organism is dark colored and the bottom is light colored to avoid being seen by predators.
It is mostly found in marine organisms.
Contaminated lands and environments cause health difficulties such as cancer, can effect the respiratory system, and problems on the skin.