This type of rationale promotes a very selfish and egocentric attitude towards the world we inhabit. ... If the idea of fitness maximization were in fact correct, then we would find ourselves living in an incredibly self-centred world. ... If the underlying motive that compels individuals to act is fitness maximization, then how does this theory explain altruistic selfless behaviour? ... Applying this theory to the problems concerning natural selection we can see how this helps. The underlying motivation behind not killing a person and dying for the sake of loved ones is in fact fitness maximi...

• Word Count: 2643
• Approx Pages: 11
• Grade Level: Undergraduate

They performed an experiment that suggests how the Earth's atmosphere might have formed. ... A question that puzzled scientists was how could all this have started in the first place. ... Discovering that RNA can act as a catalyst, makes it easier to imagine how life began. ... This clearly suggest how the first membranes could have formed. ... Assuming that the microspheres combined with self-replicating molecules, we are looking at a very ancient organism. ...

• Word Count: 2685
• Approx Pages: 11
• Grade Level: High School

biology Living things make up the world as we know it. Living things are involved in our life constantly, seeing that we are alive. ... Most of the organisms that we know best such as people, trees, and dogs are all made up of more than one cell. ... In order for a species to survive, it is a necessity for them to reproduce because all organisms die eventually. ...

• Word Count: 4152
• Approx Pages: 17
• Grade Level: High School