Tag Archive | "mutation"

Ugh.. Bio Help Please..for A Study Guide..?


so my bio teacher is pretty much saying i suck at life cause i cant get the answers right.
1) Choose an animal and give an example of it habitat and niche
2) Describe the climate of the desert
3) define mitosis, define meiosis and then explain how they are alike and how they are different
4) define Biodiversity….Explain the importance of biodiversity
5) What is the difference between sexual and asexual reproduction
6) Compare and contrast primary and secondary succession?
7) How do cells become cancerous? (explain the cellular process and list 3 risk factors)
8) What is a mutation
9) Compare and contrast primary and secondary succession.
thats it…. thanks. Ive been stressing out about this cause i only have till tomorrow and i was supposed to be done few weeks ago and blah blah blah and you dont care so bye and thanks.

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Christians, How Many Of You Actually Know What Evolution Says?


I see stupid things like “If evolution is real, then why are there still monkey? Shouldn’t they have evolved into humans by now?” Really? For those of you who don’t know, back in the day, before Darwin, people believed in “The Chain of Creation” (or something along that line) it had humans at the top and all the lower animals below, so it was basically saying that humans were the pinnacle of creation. Well that’s not how evolution works. About 5 million of years ago humans and chimpanzees diverged (think, a fork in the road). We became what we are today because for us brain power was important, chimpanzees went where they are because that worked for them. Its what’s called a “Niche” its where an organism does best (like a carpenter or a painter, they do best in those jobs, so they stay there).
Also evolution does not say that an organism has to constantly change “if it ain’t broke, don’t fix it” an organism only changes if its niche changes or is destroyed, then-hopefully for the organism-a mutation will acer that will allow it to survive, if not then it will become extinct.
Now if you want to know all the details read “On the origin of species by way of natural selection” by Charles Darwin, or another book on the mechanics of evolution.

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