Blog # 4 Describe the three types of selection

Directional: process when a trait becomes more common within a population
Stabilizing:  process where heterozygotes arew used instead of homozygotes,to maintain a genetic           stabilty
Disruptive: a change in the populations genetics, caused by extreme phenotypes

Blog #3 Explain what microevolution is? What are the three ways that variation occurs?

Microevolution is evolution resulting from small specific genetic changes that can lead to a new subspecies. It is used to refer to any evolutionary change at or above the level of species. The three way that variation occurs are my having sex, mutation, and crossing over.

Blog # 2 Why is fossil record hard to interpret?

i think that fossil records are hard to interpret because fossil could be very fragile.... and not only that but it could also be damaged through out the years which could make it harder for us to interpret them. It really depends it what kind of condition that the fossils are in. When recording the fossils.... it could get mixed up easily... and measurements can mess up the records. Most fossils look very similar to each other and for some regular people you might that think it is the exact one from before so they will just say its from the same time as the other fossils. But in reality it could have slight differences in them so ... they have to be really careful when trying to record these fossils.... cause any wrong move can mess up the fossil records.

Blog #1: Why is evolution a theory and not a law?

The reason why evolution is a theory is because it cant really be proven... its just something that we think is reasonable.... because its the reasonable guess  that scientists make because they have facts and so on. There really arent any facts for evolution because no one can really go back in time and see how everything was created... also i think that if it was a law it would cause a lot of controversy because peoples religions say certain things.. for example that God created two people and they started the human race..... and etc.... so i think if evolution was considered a law, it would ruin what people believe in. Anyway evolution will always be a theory, because it simply cnat be proven.