Talk:Rotating locomotion in living systems/GA3

GA Review

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Reviewer: Puffin ^{Let's talk!} 11:39, 12 August 2011 (UTC) I will continue the review tomorrow (13th August).

Thank you tremendously for taking on the review, Puffin! I will try to address each comment as quickly as possible. » Swpb^{τ • ¢} 20:27, 12 August 2011 (UTC)

Rate	Attribute	Review Comment
	1. Well-written:
	1a. the prose is clear, concise, and understandable to an appropriately broad audience; spelling and grammar are correct.	This needs to be gramatically correct: "wheels work well, but animals are debarred from building them by structural constraints inherited as an evolutionary legacy". Also, aren't full stops supposed to be inside the quotation marks? If so, the article needs a copy edit. Moved full stop inside quotation. The sentence looks grammatical to me, and at any rate, direct quotes are to be left alone where possible. » Swpbτ • ¢ 18:18, 16 August 2011 (UTC)
	1b. it complies with the Manual of Style guidelines for lead sections, layout, words to watch, fiction, and list incorporation.	Don't link words more than once, in the lead section, you link rolling twice. Don't wikilink words twice in the same section. The word "though" is included throughout the article as this is informal. Avoid vague words such as many, which you use in the article. You also use the word "several" which is vague. Generally, we avoid using the words lack, whereas, and generate in articles. You also use "etc" and "i.e" in the article, please explain or eliminate these abbreviations, they shouldn't be used in a good article. The two "rolling" links were to different targets; I've changed the latter to clarify. Looking at the instances of "many" and "several", greater specificity isn't possible. I'm unclear on the issues with "though", "lack", "whereas", and "generate". » Swpbτ • ¢ 20:27, 12 August 2011 (UTC) I was going by the manual of style in the words to watch section. It said to avoid vague words such as several and genrally avoid words such as lack, whereas and generate. This is also said on User:Ealdgyth/GA review cheatsheet from which I was also using. Puffin Let's talk! 18:40, 16 August 2011 (UTC) Well, I don't want to get hung up on this to the detriment of the rest of the review, but that seems to be just one user's opinion (the MOS doesn't appear to mention any of these words), and it still doesn't offer any justification. I would suggest that, while there are probably instances where "lack", "whereas", and "generate", and certainly "many/several" can be abused, their use in this article is appropriate, and not overly vague or informal. A certain word may be good to watch for if it's prone to misuse, but be perfectly acceptable if used properly. » Swpbτ • ¢ 19:04, 16 August 2011 (UTC) Even so, the manual of stlye says words such as, so there are other words in peoples opinions. However, this is a minor problem which can be ignored. When you get the citing finished, the article will pass. Puffin Let's talk! 19:17, 16 August 2011 (UTC)
	2. Verifiable with no original research:
	2a. it contains a list of all references (sources of information), presented in accordance with the layout style guideline.	fine
	2b. reliable sources are cited inline. All content that could reasonably be challenged, except for plot summaries and that which summarizes cited content elsewhere in the article, must be cited no later than the end of the paragraph (or line if the content is not in prose).	Check references: 3, 4, 5, 38, 42, 44 and 48 for the author, publishing date and page number. References 1 and 2 in the lead section belong directly after the comma, not before. Same with 5, 7 and 8 in rotation in biology. Moved punctuation to before references 1/2, 5/7/8. All the refs you cite have author and date; I will work on adding page numbers tomorrow where I can find them. » Swpbτ • ¢ 20:27, 12 August 2011 (UTC) I've resolved the references you listed as follows: Old # → New # --- Resolution 3 → 3 --- Added page numbers 4 → 4 --- Whole book cited - no page numbers needed 5 → 5 --- Already had page numbers 38 → 45 --- Already had page numbers 42 → 49 --- Already had page numbers 44 → 51 --- Added page numbers 48 → 55 --- Whole book cited - no page numbers needed » Swpbτ • ¢ 23:25, 16 August 2011 (UTC)
	2c. it contains no original research.	The following lines need inline citations as they are likely to be challenged: Some organisms use rolling as a means of locomotion. These examples do not constitute the use of a wheel, as the entire organism rotates itself, with no fixed axle. Cited. » Swpbτ • ¢ 19:13, 16 August 2011 (UTC) ATP synthase is an enzyme used in the process of energy storage and transfer, notably in photosynthesis and oxidative phosphorylation. It bears some similarity to flagellar motors. The evolution of ATP synthase is thought to be an example of modular evolution, in which two subunits with their own functions have become associated and gained a new functionality. Cited. » Swpbτ • ¢ 19:50, 16 August 2011 (UTC) The processes of evolution, as they are presently understood, can help explain why wheeled locomotion has not evolved in multicellular organisms; simply put, a complex structure or system will not evolve if its incomplete form provides no benefit to an organism. Cited. » Swpbτ • ¢ 19:59, 16 August 2011 (UTC) However, a material excreted along the inner (axle-contacting) surface of a wheel would presumably need to stretch as it moved toward the outer (ground-contacting) surface of the wheel, to account for the difference in circumference. Removed. » Swpbτ • ¢ 20:11, 16 August 2011 (UTC) Most methods of steering wheeled vehicles involve some degree of skidding, or dragging of one or more wheels against the surface. This can impose limits on the achievable turning radius, thus limiting the ability of a vehicle to navigate around obstacles in areas with a high obstacle frequency. Reworded and cited. » Swpbτ • ¢ 20:46, 16 August 2011 (UTC) In addition, without articulation, a wheeled vehicle can become stuck on top of an obstacle, with the obstacle between the wheels, preventing them from contacting the ground. Limbs, in contrast, are useful for climbing, and equipped to deal with uneven terrain. Cited. » Swpbτ • ¢ 22:05, 16 August 2011 (UTC) For unarticulated wheels, climbing obstacles will cause the body of the vehicle to rotate. If the rotation angle is too high, the vehicle will become statically unstable and tip over. At high speeds, a vehicle can become dynamically unstable, meaning that it can be tipped over by an obstacle smaller than its static stability limit. Without articulation, this can be an impossible position from which to recover. Reworded and cited. » Swpbτ • ¢ 21:48, 16 August 2011 (UTC) These species may roll passively, under the influence of gravity, or actively, typically by actively altering their shape to generate forward propulsive force. Reworded and cited. » Swpbτ • ¢ 20:53, 16 August 2011 (UTC)
	3. Broad in its coverage:
	3a. it addresses the main aspects of the topic.	fine
	3b. it stays focused on the topic without going into unnecessary detail (see summary style).	fine
	4. Neutral: it represents viewpoints fairly and without editorial bias, giving due weight to each.	fine
	5. Stable: it does not change significantly from day to day because of an ongoing edit war or content dispute.	fine
	6. Illustrated, if possible, by media such as images, video, or audio:
	6a. media are tagged with their copyright statuses, and valid non-free use rationales are provided for non-free content.	fine
	6b. media are relevant to the topic, and have suitable captions.	They do now, all image captions that form a sentence must have a full stop, I added it in for you. Note that the two captions you added periods to are not, in fact, independent clauses, i.e. full sentences – the use of periods is incorrect, and I've removed them again. » Swpbτ • ¢ 18:22, 16 August 2011 (UTC)
	7. Overall assessment.	pass