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...is case. Theories like the outbreak of diseases, decreasing food and eating of their eggs by other smaller mammals. Among these theories, there is one theory which is of more acceptance for scient...
...is case. Theories like the outbreak of diseases, decreasing food and eating of their eggs by other smaller mammals. Among these theories, there is one theory which is of more acceptance for scient...
for witkowski....... boo!
...ough creatures (like crocodiles, turtles, or insects) could persist. It seems hard for me to imagine how mammals could survive that catastrophy - they have furs but shells, cannot stay underwater fo...
Bones from French cave show Neanderthals, Cro-Magnon hunted same prey A 50,000-year record of mammals consumed by early humans in southwestern France indicates there was no major difference in the p
...anial bones, not the skull. Is there any atlas of marsupial bones like Elisabeth Schmid did for European mammals?...
... an angular bone (yet another jaw bone) that clearly supported an eardrum, as its descendant does today in mammals....
... new definition of Aves, if done correctly, will do for birds what has so long been successfully done with mammals. The scientific definition will be precise (osteological), but it will roughly coinci...
...in scope. I also have Hildebrand's 'Analysis of Vertebrate Structure', but this is not detailed enough for mammals. I'd like best a comprehensive description with a real focus on mammals (not vertebra...
I'm interested in early life, mass extinctions, and the evolution of mammals. I'm not a scientist so I'd rather not read a graduate level text book. Could someone recommend several interesting books.
...includes land-living animals very distantly related to the octopus and having made them about as common as mammals are now it belately occured to me that I couldn't think of an example of that directi...
...sons for great size but they don't address the answer why dinosaurs seem uniquely big. Sure there were big mammals in the Oligocene and big animals in the Pliocene to Pleistocene eras but overall they...
...approximate, consistent figures. Although there are many sources for this kind of information, when man, mammals, cells first evolved etc., I cannot find a 'resource' dedicated to the problem. Cle...
and why are there no dinosaur-sized (land) mammals? and why were the first dinosaurs bipedal? and why were so many dinosaurs bipedal? and why were dinosaurs so lightly built? and why were dinosaurs am
...lacental orders. We investigated this problem using the largest available molecular data set for placental mammals, which includes segments of 19 nuclear and three mitochondrial genes for representati...
...t is almost certain that dinosaurs are not ancestral to birds. Dinosaurs lived a long time alongside the mammals in the Mesozoic. Their eggs were not threatened then, and it is doubtful that their e...
... visit with vertebrate paleontologist Dr. Jaelyn Eberle to the Denver Basin, Colorado, in search of fossil mammals near the K-T boundary....
...ersity Press 2000 This is an excellent paleoanthropological work. It analyzes our ancestors in tandem with mammals in general and climate change in Africa over the last two million years. Some recen...
... perforated acetabulum, is most likely a convergently evolved adaptation for an upright posture, since the mammals have also evolved this feature convergently. Both groups of dinosaurs have apparently...
...fe'. I don't know if clade (from phylogenetic analysis) is general enough to encompass a concept such as mammals etc. thanks in advance for any help, Dan....
..., when did the Mammal-like-Reptiles live? _If_ I remember correctly, cladist represent them as ancestor to mammals, yet they are found in strata that is older dinosaurs. What are the facts concernin...
...rting frog, and, in our own class, the gibbons and the tarsiers are all creatures with a conciousness. The mammals which do not utilize vocalization would thus have imperfect conciousnesses. The key t...
...ate and there is no evidence that they had fur or Harderian glands. It is only when their descendants (the mammals) became small (~50mm total length) and nocturnal that the first evidence of fur appea...
Referring to the relation between birds and dinosaurs: If we get a new extinction and the only mammals who survive is the bats, who will in 65 million years believe, that the bats is related to blue w
...ent may lead to a sweet reward: hard evidence for his theory of why mammoths and many other species of big mammals in North and South America disappeared about 13,000 years ago. The list of animals ...
...e leathery and decidedly reptile like. Does that not suggest that the split between reptiles and primative mammals might be well prior to the split in the evolutionary 'reptile' line that gave rise to...
...nt? vulcanism? climate change? 3) It seems like the Oligocene was the golden age of great humungous land mammals... brachiotheres, brontotheres, titanotheres, what have you. Some of these guys rival...
...napsida, and I am sure it is sort of dated. Second, what is the best book on Tertiary life, particularly mammals and the ecology of the time period? I have several books on the Pleistocene, but noth...
...nd an answer. I have always doubted that there were ENOUGH stone-age people in America to wipe out the big mammals. If there were, then how did the modern American bison survive in such great numbers ...
...ossilised dinosaur heart, which indicated (after scans) that the dino had a four chambered heart more like mammals and aves than repitiles. It's all well and good flaming other people who may not be...
Is there a website who shows how smart some of the dinosaurs was compared with birds and mammals?
... of the dinosaurs would have been small, bipedal desert specialists, along with lizards, early birds, some mammals, and pterosaurs. Can anyone provide any info on these species or what they might have...
...es cited Hunt, Jr. RM, Ursidea, IN (C.M. Janis, K.M. Scott, and L.J. Jacobs, eds.) Evolution of Tertiary Mammals of North America. Cambridge: Cambridge University Press. p 174-189. Talbot SL and S...
...alian evolution in unique environment found in Annamite Mountain range between Vietnam/Laos. Six new large mammals have been found there in last decade....
Seeing as today's most primitive mammals (monotremes) lay eggs, and egg-laying is a primitive trait for all amniotes, proto-mammals certainly laid eggs (unless certain lineages developed viviparity in
...est Tertiary layers, hinting that a few species survived for a few hundred thousand years into the 'Age of Mammals'. I don't believe that this is at all confirmed. I can, if anyone wants, find the URL...
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