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Question: Which statement provides the best evidence of how life could have evolved over time?

A. Monophyletic groups identlify the anatomical similarities in different organisms that can be attributed to the descent from a common ancestor.
B. Homology shows a similarity in one or more body parts in different organisms that can be attributed to the descent from a common ancestor.
C. Hybridization shows the differences and similarities in the physiological appearances of species to prove descent from a common ancestor.,
D. Stratification identifies similar bone structures in different species to show how the different species came from a common ancestor.

Thanks for your help!!!!!!!

2006-07-17 12:21:58 · 13 answers · asked by thunderbomb90 3 in Science & Mathematics Biology

13 answers

My vote is B - homology:

"Main Entry: ho·mol·o·gy
Pronunciation: hO-'mä-l&-jE, h&-
Function: noun
Inflected Form(s): plural -gies
1 : a similarity often attributable to common origin
2 a : likeness in structure between parts of different organisms (as the wing of a bat and the human arm) due to evolutionary differentiation from a corresponding part in a common ancestor -- compare ANALOGY b : correspondence in structure between a series of parts (as vertebrae) in the same individual"

2006-07-17 12:27:56 · answer #1 · answered by TrippingJudy 4 · 2 0

Probably Hybridization since it shows both the differences and similarities in the physiological appearances of species.

2006-07-17 22:09:42 · answer #2 · answered by Thomas C 2 · 0 0

I would guess B

Homology - Similarity in DNA or protein sequences between individuals of the same species or among different species.

2006-07-17 19:26:18 · answer #3 · answered by snowdzine 2 · 0 0

I would help you out but I would have to read all of THAT!

2006-07-17 19:26:11 · answer #4 · answered by Susan L 7 · 0 0

I think B is better than other choices.

2006-07-18 03:08:09 · answer #5 · answered by peyman r 2 · 0 0

B. but they all look the same to me!

2006-07-17 19:25:49 · answer #6 · answered by Chocolate Beauty 3 · 0 0

lets go with B

2006-07-17 19:25:51 · answer #7 · answered by Anonymous · 0 0

It's B;as i think

2006-07-17 19:39:01 · answer #8 · answered by marie_2902 2 · 0 0

could be B

2006-07-17 19:25:25 · answer #9 · answered by arkisman 2 · 0 0

I'm not reading all that.

2006-07-17 19:45:44 · answer #10 · answered by §†êþhåñïê»-(¯`v´¯)-» 3 · 0 0

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