Natural Selection And Animal Behavior
The theory of natural selection can actually be studied in animals better than human beings. The animals mainly depend on their preys for food, and also their survival depends on the availability of food. In addition, animals have a shorter life span and changes in them occur fast.
They also produce more offsprings. So, it is easy to observe the changes through several generations.One of the best ways to study the theory of natural selection is by observing the animals in the wild. For example, tigers were once animals that were found in many numbers throughout the South Asian regions and countries. The tigers were also one of the most important predators in the chain of living beings.
However, as human beings started growing in numbers, the forests were being cut and the tiger also started decreasing in numbers. Tigers are solitary animals, and they are also very territorial. Once their natural habitat is taken away, they try to retreat to newer habitats. However, the chances of adjusting are very minimal. As the number of tigers was decreasing, the population of deer and other animals started increasing. The increase in the number of humans has naturally affected the survival of these predators. Now the tiger is on the extinction list, and it may become an extinct animal in the next two decades.
For the tiger to survive, it should increase in number and find newer ways of survival. Since they are unable to do that, they either live in captivity where they also reproduce. The reproduced cubs are extremely dependant on humans for their survival.
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