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Biology 18 Online
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5.01 Biology NEED HELP NOW

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DCharger96:

Example 1 Birds: birds are a known relative of dinosuars. The chicken for example im pretty sure is a relative of the Velociraptor.

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k

DCharger96:

the chicken would have had long legs and a tail but during the time it was in the egg an enzyme was activated that dissolved the tail and extra bones in the legs. over time the chicken became the bird we know and see today

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T-Rex...it is a relative of a t-rex not a velociraptor .

DCharger96:

srry i wasn't sure lol

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What would example 2 be?

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ummm...I need this done soon

DCharger96:

tht all i got sry

justjm:

So you need to provide two examples for each type of evidence?

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ya

justjm:

Fossils: -There are fossils of similar species found on the east coast of South America and the Ivory Coast of Africa. There is slight homologous differentiation which not only proves that the continents were once together, but also a force of evolution that can alter allelic frequencies. -Shark tooth fossils have been dated using radioactive dating to find the age of the tooth and then is used to compare the evolutionary similarities and differences.

justjm:

Comparative anatomy : *Remember you can only compare homologous, not analogous structures* -The wing of a bat can be compared to that of the human arm, whale fin, and other species. This serves as evidence that they are our common ancestors to some degree, just may be very distant by now. -Can serve as evidence to adaptive radiation and convergent/divergent evolution. For example, the homology and structural similarity in the finches Darwin saw in his expedition.

justjm:

Embryology: -Deuterstomal and Protostomal development. They are the two main forms of embryo development and cellular genesis. We are deuterstomes, where our blastopore forms into an Soup. We can be compared to other deuterstomes. Flies, however, are protostomes. Their mouth forms first. -We can compare the embryos of a bird to a human, etc, and find that there are some similarities and differences. The more early in the embryo process you go, the more similar the embryos are, but due to cellular differentiation, the embryo grows up to look like something else. It still proves that we have common ancestors.

justjm:

Biogeography: As I mentioned in fossils, you could use geography as a proof of evolution. Along with that... -Similar species of trees found in completely different continents...how did they migrate? Was it macroevolution? Microevolution? But now the species are widespread in completely different continents. -Similar behavioral adaptations in different locations

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Did you find these somewhere or write allll these on your own?!

justjm:

Molecular Biology -Polypeptide sequencing can change due to mutations, and overtime, that mutation can accumulate very large in populations. They increase exponentially, and it might lead to speciation. This is a factor to sympatric speciation, along with prezygotic and postzygotic barriers. -It has lead to the differentiation of cellular mechanisms too. Introns and histones are not present in bacteria, but they are present in Archae and Eukarya.

justjm:

Used my old notes, but they're mine.

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Wow! You did good!

justjm:

TY. hope it helped!

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Where did you find the information? Are you in FLVS? I need to know where you found the info because im using some of the info and need to put sources

justjm:

I am in FLVS but I didn't take bio online, I actually took AP bio. but I used the information from the review notes I had from my review book. The book is called Pearson Education Test Prep Series for APĀ® Biology by Fred W. Holtzclaw, Theresa Knapp Holtzclaw

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Hm do you go to the FLVS/Lvip??

justjm:

I chose the FLVS state virtual school, no LVIP bc I don't live in lee county

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Ohh Thats cool! :D i got to lvip/flvs

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What grade u in?

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If you mind me asking..

justjm:

10th, I'll assume ur in 9th?

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lol ya

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Cool. Cool. :P do u have journalism for any reason??

justjm:

The club or the class? I don't have the journalism class

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kk. I have an actual FLVS teacher for journalism class. :P

justjm:

Oh nice, ik what it is but didn't take it. Are you in any clubs?

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Nope

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I wanna be in lvips NHS...but i have to waait until 10th and then have good grades

justjm:

oh yeah, Ik that but didn't do NHS this year though I'm probably eligible. If you like journalism, you should probably chheck out VIRGE next year

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Ehhh i dont really like journalism...its like history and i dont like history.....but ya thx

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Heyo DC

justjm:

Ah okay, np.

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So what r u doing now? What classes do you have?

justjm:

I just finished world history and enrolled in US history and I'm taking English 2 rn, you?

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Cool! Imma finish high school early maybe...im in the second semester of everything other than 1 class that im almost done with

justjm:

That's nice! One of the perks of doing online classes lol

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eh yah. :D Every person I tell is like :O really? im like yah. They say "You must be very active". im like you can say that (but my mom plans my school and gives me a lot) :P

justjm:

haha yeah. It's difficult in brick-and-mortar schools but here you can finish as quick as yoiu want. Once did a segment of a course over a weekend lol. But the teacher got mad bc of the FL statute

justjm:

so are you full time or flex?

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Yah hahaha. I used to go to public when I was lil and i got bullied like SUPER weirdly.

justjm:

oh wow, yeah another perk of online school.

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can i dm what he said? ze bully?

justjm:

eh it's fine i get what you mean, sorry that happened.

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:P he had a crush on me but he bullied me and made fun of me and it was awkward. VERY awkward

justjm:

oh I see. perfect example of a Freudian reaction formation.

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???

justjm:

It's one of Freud's defense mechanisms he coined.

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? o.......k..........? lol

justjm:

Well nice talking, I might need to get going.

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Okay, Have a great weekend!

justjm:

Yep you too!

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