Success of insects
The insects were able to become successful because of several flexible characteristics. The main characteristic is that the insects could have evolved to exist in most of the atmospheres on Earth. The evolvement included the most extreme surroundings like the Antarctic and deserts. The reason that the insects were able to reside in all of these extreme conditions is because of the natural features of the insects or the features of the insects that allow them to adapt to the harsh conditions. In order to understand these features more clearly, it is very important to concentrate on all of the different characteristics of the insects.
Some of these characteristics include a defensive shell or exoskeleton, smaller size, and the ability to fly. Because of these characteristics, the insects have the ability to get away from their enemies and handle any type of situation that they are faced with. Besides the small size of the insects, they are only going to need a small amount of food to survive along with being able to live in smaller spaces. The insects can have several babies very quickly, which allow the survival of these creatures. Something else that could have contributed to the success of the insects if the genetic diversity of the insects (Capinera, 2011).
No Giant Insects
One of the main reasons that there are no giant insects in our world is because of the way that the insects breathe. Insects do not have lungs so their breathing system is made up of holes and tubes. These holes and tubes will allow oxygen to reach all of the cells in the insect’s bodies. The problem is that this kind of system will not work properly for a larger insect (Open, 2014).
References:
Capinera, John. (2011). Insects and Wildlife: Anthropoids and their Relationships with wild
Vertebrate animals. Wiley-Blackwell: Boston, MA.
The Open Door Web Site. (2014). The Breathing System of Insects. Retrieved on October 6th,
2014, from http://www.saburchill.com/chapters/chap0021.html.
