Diversity Matters- Extinction

The first profile I am doing on the consequences of changing biodiversity is about how it can lead to extinction. This is also going to be my one profile on the consequences of changing genetic diversity affects a population. Most creatures that are alive today have evolved from past animals and used their genetics to adapt to their surroundings to strive in their current ecosystem. Some animals have had to change their DNA, which is more like the DNA changes itself because of the environment around them has put so much pressure onto their genetics that it causes the genes to have to change. This sometimes results in a species being killed off because either all of their genetics adapt to the ecosystem or the animal dies because it can not handle everything around them.

Credit: Fact Monster

http://www.factmonster.com/dk/science/encyclopedia/evolution.html

The second profile I am going to do is on how animals can damage their own ecosystem. This profile is on how change in species diversity affected an ecosystem. Species are constantly in competition for similar or the same resources. These resources can range from food to areas that they live in. So if two or more different species are fighting over a resource then they could possibly drive that resource  "out" of the ecosystem around them. An example I could give of this would be if two different species of birds were to be competing for a certain bush of berries in the forest. If the birds could (not saying that is real, it is just an example) only eat that berry in that ecosystem, then they may end up getting rid of all of that berry in the area because of them trying to take and eat all of them so that they have them. This would end up changing the ecosystem by taking away those berries and then the rest of the ecosystem wouldn't have it and since the berry bushes grow from the seeds from the berries, they could no longer grow. I assume the berries could possibly redevelop into the ecosystem by the fecal matter if the bird had not been able to dissolve the seeds.


Credit: Wikipedia
https://en.wikipedia.org/wiki/Competition_(biology)

My notes: Here