Archaeopteryx

Picture yourself standing among the various dinosaurs 252 million years ago, when hurtling from the sky a massive meteorite colliding into the earth resulting in one of the largest mass extinction to come, commonly referred to as the Permian-Triassic extinction, in Earth’s history shifting Earth into a new era: The Mesozoic Era. Frequently mentioned to as “Age of Reptiles” due to the amount of reptiles that predominated the lands, however they were not alone; land-dwelling vertebrate animals and…

What is the evidence that dinosaurs are still among us? A text written by the American Museum of Natural History called "Shedding Light on the Dinosaur-Bird Connection" is an attempt to convey and display skeletal, behavioral, and brain connections as evidence that birds are living dinosaurs. Initially "Shedding Light on the Dinosaur-Bird Connection" brings claims of skeletal evidence being proof that birds are living dinosaurs. An initial piece of evidence comes from a simple connection in the…

Introduction The emperor penguin, Aptenodytes forsteri, is most known for being the tallest and heaviest penguin in the world (Magnuson). The emperor penguin is a type of bird in the Spheniscidae family, which is the only family in the order and is home to many other aquatic birds (Magnuson). Emperor penguins live in the arctic tundra biome on the coast of Antarctica (Magnuson). Emperor penguins are carnivorous and will eat fish, krill and squid (Magnuson). A few of the emperor penguin’s…

correct that all life on earth evolved from previous ancestors such as birds from dinosaurs and humans from apes. On that note, Gould’s argument on evidences from the fossil records suggests one of the most famous example of fossil transition called Archaeopteryx. It is a genus of early bird that has a combination of feathers and structures of a bird with features such as teeth, pony tail, and legs of a small coelurosaur dinosaur. Additionally his third argument outshines the beliefs of…

The hoatzin (Opisthocomus hoazin), also known as the stinkbird, or Canje pheasant, is a species of tropical bird found in swamps, riparian forests, and mangroves of the Amazon and the Orinoco Delta in South America. It is notable for having chicks that possess claws on two of their wing digits. It is the only member of the genus Opisthocomus (Ancient Greek: "wearing long hair behind", referring to its large crest) which in turn is the only extant genus in the family Opisthocomidae. The taxonomic…

Using muscle volume to determine locomotor cost indicated that the five largest species exceeded the vo2 max of ectotherms at all walking and running speeds, and small bipeds exceeded the vo2 max at moderate running speeds. The smallest species archaeopteryx was the only dinosaur that had estimated locomotor metabolic rates that were comparable to the vo2 max in living ectotherms using both hip height and muscle…

have common genes. This shows how organisms are connected, in any way possible. The fossil record shows many animals and plants that have been fossilized, and these allow for a clearer look at common ancestors and transitional fossils, such as Archaeopteryx,…

were populating more and had all different forms of life. On land, dinosaurs were also starting to make their mark in a big way. Brachiosaurus, Diplodocus, and Allosaurus were some dinosaurs introduced in the Jurassic. The earliest known bird, Archaeopteryx, surfaced during this period and most likely evolved from a dinosaur The Jurassic is known as “The Age of Dinosaurs” because dinosaurs really were the dominant life on earth at this time. Which is probably why in the movie “Jurassic Park” it…

The subject of evolution is widely debated topic. However there is a wide variety of evidence that supports evolution. By studying the fossil record, comparative anatomy, genetics and natural selection scientists have been able to support Charles Darwin’s theory (evolution). This report will focus on evidence from the fossil record as well as genetics. The fossil record is the collection of information that shows the occurrence and evolution of living organisms through geological time from…

Biogeography It shows how the past and present geographical distribution of organisms played a role in their evolution.Also, how species are distributed in accordance to the genetic relationships they share with other organisms. Marsupials and Placental Mammals Marsupials animals are almost exclusively found in Australia, while Placental mammals are very rare there. There are fossils of marsupials in North America, and South America. 30 million years ago South America and Australia…