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Questions that don't need their own topics vol.2; New and fresh
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Topic Started: Jan 4 2018, 11:18 AM (26,893 Views)
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Rodlox
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Jan 12 2018, 01:33 AM
Post #76
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- opeFool
- Jan 12 2018, 12:05 AM
I meant a singular limb. (seriously, monoclonius had a pretty singular limb) 
like tails in the Great Apes?
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.---------------------------------------------. Parts of the Cluster Worlds: "Marsupialless Australia" (what-if) & "Out on a Branch" (future evolution) & "The Earth under a still sun" (WIP)
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CaledonianWarrior96
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Jan 12 2018, 06:54 AM
Post #77
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The best creature I can think of are some crabs that have an enlarged claw and a much smaller one
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And now, for something completely different
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GreatAuk
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Jan 12 2018, 04:56 PM
Post #78
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Could cephalopods ever overcome whatever the thing is that means they can't go into freshwater?
Also what is the reason for that?
Also what is the distribution for Nautilus species? i cant seem to find any.
Why did the belemnites go extinct?
Edited by GreatAuk, Jan 12 2018, 05:03 PM.
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Let us dance together.
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LittleLazyLass
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Jan 12 2018, 05:36 PM
Post #79
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Proud quilt in a bag
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- opeFool
- Jan 12 2018, 12:05 AM
I meant a singular limb. No, that's not happened to my knowledge. Bilaterians as a rule like to keep their limbs more or less entirely symmetrical.
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totally not British, b-baka!
You like me (Unlike) I don't even really like this song that much but the title is pretty relatable sometimes, I guess.
Me  Forum user Uncanny Gemstar drew what is supposed to be a me. Thanks! Spoiler: click to toggle As they walk in, they're greeted by a small, poorly kept pathway leading to a poorly constructed Japanese-style gate. Behind this, a small field made up of corn, rice, wheat, potatoes, among other plants is contrasted by large piles of books, as well as a few rather out of place looking laptops. Off in the corner, a small woman, with long, striped, and strikingly colorful socks, no shoes, unremarkable denim shorts, a large, fancy black coat, arm warmers, glasses, a tuque, and somewhat unkempt, mid-length blue-and-pink-streaked red hair, is rummaging through a trash bin, located behind a sign saying "employees only". She continues this for a while (walking behind a wall to change her outfit now and then), until one of her visitors coughs. Startled, she looks up, apologizes, and grabs a handful of textbooks and novels before daintily running off to join them. What, you want me to tell you what these mean? Predenterra The (Lost) Lost World The Standing World Read First Clarifications on my sex and genderSorry if I come off as rude, I don't put much thought into word choice sometimes. I'm also super prone to editing my posts, sometimes multiple times, in the minutes following posting. For the love of god, take my posts from my earlier days on the forum with a grain of salt. I was not particularly knowledgeable or mature back then. Some of them are so cringe-worthy I can't even bring myself to look at them. Words Maybe Great Words - Words To Spec By
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Yeah, and even if you don't agree with creationists on that concept, that doesn't mean they can't be decent people. I have friends who are creationist (possibly even young earth) that I get along with fine in general life. I don't think they're right of course, but that doesn't make them intellectual degenerates. ~~The Words of forbidden3
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GlarnBoudin
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Jan 13 2018, 05:36 PM
Post #80
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What are the advantages and/or disadvantages of a beak as opposed to just teeth or lips? Is there any research done into why birds, ornithopods, turtles, etc. evolved beaks, and if so why did they evolve them?
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CaledonianWarrior96
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Jan 14 2018, 06:26 AM
Post #81
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- GlarnBoudin
- Jan 13 2018, 05:36 PM
What are the advantages and/or disadvantages of a beak as opposed to just teeth or lips? Is there any research done into why birds, ornithopods, turtles, etc. evolved beaks, and if so why did they evolve them? Well birds developed beaks because compared to jaws they're lightweight and make it easier to fly. I guess for disadvantages they are more prone to harm than jaws are, but probably not significantly prone. Not sure about turtles or ornithopods
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Come check out and subscribe to my projects on the following subforums;
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(Click bold titles to go to page. To subscribe click on a project, scroll to the bottom of the page and click "track topic" on the bottom right corner)
And now, for something completely different
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Ragnar
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Jan 14 2018, 06:38 AM
Post #82
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How could radial symmetry evolve to become the dominant body plan on an alien planet (presumably low gravity to super-earth) as opposed to the bilaterally symmetrical dominance we have here on Earth? After all, only echinoderms and cnidarians have followed radial symmetry and they're nothing more than the simplest of invertebrates.
P.S. Bonus - What would be the challenges they would face in terrestrial and flying niches? Answers would be much appreciated!
Edited by Ragnar, Jan 14 2018, 06:51 AM.
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suchipithecus
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Jan 14 2018, 07:10 AM
Post #83
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Can anybody identify this caterpillar?
I looked it up a bit and it may be a small heath butterfly or a angle shades moth, but there are several that look similar as caterpillars.
- Attached to this post:
caterpillar.jpg (186.65 KB)
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GreatAuk
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Jan 14 2018, 07:30 AM
Post #84
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What's wrong with the flish
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Let us dance together.
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lamna
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Jan 14 2018, 08:10 AM
Post #85
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- CaledonianWarrior96
- Jan 14 2018, 06:26 AM
- GlarnBoudin
- Jan 13 2018, 05:36 PM
What are the advantages and/or disadvantages of a beak as opposed to just teeth or lips? Is there any research done into why birds, ornithopods, turtles, etc. evolved beaks, and if so why did they evolve them?
Well birds developed beaks because compared to jaws they're lightweight and make it easier to fly. I guess for disadvantages they are more prone to harm than jaws are, but probably not significantly prone. Not sure about turtles or ornithopods I don't believe that is correct, there were plenty of jawed birds in the Mesozoic.
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Living Fossils
Fósseis Vibos: Reserva Natural
34 MYH, 4 tonne dinosaur.
- T.Neo
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Are nipples or genitals necessary, lamna? [flash=500,450] Video Magic! [/flash]
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CaledonianWarrior96
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Jan 14 2018, 10:30 AM
Post #86
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- lamna
- Jan 14 2018, 08:10 AM
- CaledonianWarrior96
- Jan 14 2018, 06:26 AM
- GlarnBoudin
- Jan 13 2018, 05:36 PM
What are the advantages and/or disadvantages of a beak as opposed to just teeth or lips? Is there any research done into why birds, ornithopods, turtles, etc. evolved beaks, and if so why did they evolve them?
Well birds developed beaks because compared to jaws they're lightweight and make it easier to fly. I guess for disadvantages they are more prone to harm than jaws are, but probably not significantly prone. Not sure about turtles or ornithopods
I don't believe that is correct, there were plenty of jawed birds in the Mesozoic. Yeah but they were primitive and still evolving to become more suited to flying. After all how many flying birds today have jaws like those in the Mesozoic
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Come check out and subscribe to my projects on the following subforums;
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LλmbdaExplosion
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Jan 14 2018, 11:10 AM
Post #87
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Vieja Argentea the oscar cichlid
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Bats can fly and they don't have beaks.The bird bills or beaks are an advantage because they are like tools to them.Also they don't face the ugly things that some reptiles and mammals have when their teeth begin to deteriorate or are infected.Unlike mammals,birds can't chew.If i was a tetrapod,i would choose a beak over teeth anytime tho.These teeth are leaving me day after day.LOL
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When life give you lemons.............Don't make lemonade!Make life to take the lemons back!Get mad and than.........Yell,demand and burn down their homes.
Prepare for unforeseen consequences,Mr. Freeman!
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GreatAuk
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Jan 14 2018, 11:25 AM
Post #88
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How would history be different if trilobites didn't go extinct?
Why did belemnites go extinct?
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Let us dance together.
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IIGSY
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Jan 14 2018, 11:41 AM
Post #89
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A huntsman spider that wastes time on the internet because it has nothing better to do
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- GreatAuk
- Jan 14 2018, 11:25 AM
How would history be different if trilobites didn't go extinct?
Why did belemnites go extinct? Trilobites where on a serious decline well before their final extinction. If the Permian Triassic extinction never happened, trilobites may have survived as a very small group under the shadow of crustaceans, much like horseshoe crabs.
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Projects Punga: A terraformed world with no vertebrates Last one crawling: The last arthropod
ARTH-6810: A world without vertebrates (It's ded, but you can still read I guess)
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"Considering the lifespans of modern non- insect arthropods (decade-old old millipedes, 50 year old tarantulas, 100+ year old lobsters) I wouldn't be surprised if Arthropleura had a lifespan exceeding that of a large testudine"-HangingTheif
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Then eat arby's and embrace the void."-Kamineigh
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Phylogeny of the arthropods and some related groups
In honor of the greatest clade of all time
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ÐK
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Jan 14 2018, 01:00 PM
Post #90
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- CaledonianWarrior96
- Jan 14 2018, 10:30 AM
Yeah but they were primitive and still evolving to become more suited to flying. After all how many flying birds today have jaws like those in the Mesozoic That's just a consequence of the common ancestor of modern birds already having completely toothless jaws and a beak. Plenty of toothed Mesozoic birds were just as capable fliers as modern birds, and in fact the line leading up to modern birds appear to have been more like terrestrial ground birds than typical perching birds that spend a lot of time off the ground, a role occupied in the Mesozoic by the (mostly) beakless, toothed enantiornitheans.
The condition of teeth and beaks in avialans is pretty variable, and it's certainly not a gauge of how primitive they are. Completely toothless jaws with beaks evolved at least four times independently, possibly more in avialans, and even the birds closest to the crown group like Ichthyornis and hesperornitheans still have jaws full of teeth, with beaks of compound rhamphotheca limited to the premaxilla and toothless areas of the upper jaw, and only to a small predentary bone at the tip of the lower jaw.
If anything, tooth loss and beaks are probably more strongly correlated to diet in avialans, with reduced dentition in seed-eating, omnivorous and herbivorous birds (e.g. Jeholornis, Sapeornis, basal euornitheans) while more carnivorous forms retained or reverted to toothy jaws (e.g. enantiornitheans, Ichthyornis). Certainly it doesn't follow a linear progression as avialans became "more suited to flying" at least.
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In the absence of proper data, speculate wildy.
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