Comedy + Biology = This Blog Post
Joke: Biology is the only science in which multiplication is the same thing as division.
Explanation: Multiplication, or reproduction, occurs by the biological process of cell division.
Evolution of the Eye 10-3
The eye has been evolving for over hundreds of millions of years. Animals needed sharp vision to be able to hunt their food efficiently. Likewise, we need our eyes to be able to see danger such as the ability to spot a snake in the grass. Thus the eye has evolved and adapted based on the environment and what’s necessary to survive in it. For instance, most birds are able to see their prey from a great distance away because that will enable them to survive.
Eyespots were the predecessors to the eye. They were able to sense light and dark as well as a general knowledge of the intensity of the light. We know that these eyespots are not sufficient by themselves because humans need to be able to perceive distance, depth, and color.
As the eye further developed, it moved away from the multicellular eyepatch. The eyepatch soon evolved into a deeper cup. The cup shape allows the eye to discern where the light is coming from, which the eyepatch could not. The pinhole camera is the part of the eye that improves our imaging by processing shapes.
Source:
http://www.sciencedaily.com/articles/e/evolution_of_the_eye.htm
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Genes’ Relation to Fitness 9-19
Is one born an athlete or can a person with no athletic genes be just as successful in a particular sport? Is there an advantage to having parents who were athletic? Or is sports performance solely based on hours of hard training and adapting to the demands of the sport? Many studies show that genes are responsible for nearly half the variation in both physical training and one’s response to it. Of course, there are mental aspects that are involved too. It would be wrong to solely blame one’s genes for physical incapablilities. Athletes are said to inherit the ability to respond well to the demands of training. Hereditary does in fact affect sports performance. Scientists have recognized a performance gene known as angiotensin converting enzyme(ACE). However, when genotyping would be able to be processed, which is picking out certain genes for your child will be thought of as unethical. In conclusion, if you want your child to be the next NBA star or Olympic standout…….
it wouldn’t hurt to marry an athlete.
Source:
http://www.sportsci.org/jour/0101/wghgene.htm
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Fast-twitch muscles are used in proportion to the amount of work that needs to be done. Sprinters need mostly fast-twitch muscles because they need short spurts of muscle contractions than the average person. An increase in adrenaline and in neural stimulation will lead to an athlete's peak performance. This is a result of the mental energy igniting electrical impulses to the muscle. In turn, this means an increase in muscular tension.
Hey bio world
this is my post. not interesting. it is what it is.
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