Tribal villagers used the shelter long before white settlers and gold miners settled in the Sierra foothills. The pictographs were centuries old. The pictographs depected animals, reptiles and man. All of the paintings were recognizable as creatures that would have inhabited the Sierras 500 to 1,000 years ago, when the pictographs are believed to have been created. Three of the animals, though, can only be described in today’s dictionary as an adult male, female and child Bigfoot.
Turtles are reptiles of the order Chelonii[2] or Testudines characterised by a special bony or cartilaginous shell developed from their ribs and acting as a shield. [3] Turtle may refer to the chelonian order as a whole (American English) or to fresh-water and sea-dwelling chelonians (British English). [4] The order Chelonii or Testudines includes both extant (living) and extinct species. The earliest known turtles date from 220 million years ago,[5] making turtles one of the oldest reptile groups and a more ancient group than lizards, snakes or crocodiles. Of the many species alive today, some are highly endangered.
The similarities can be seen throughout our bodies. For instance, humans and the African apes all lack external tails and have hands with a thumb that is sufficiently separate from the other fingers to allow them to be opposable for precision grips. Humans are also sexually dimorphic –males are 5-10% larger on average and have greater upper body muscular development. Like chimpanzees, they are omnivores. We kill other animals for food in addition to eating a wide variety of plants.
He discovered that the individuals who can survive long enough to procreate did so because of specific traits that had made them stronger and more able to survive than the ones that died off. This is known as “survival of the fittest.” Over time, the strong traits get passed down from generation to generation and the weak traits slowly disappear. Biology has shown that there are certain traits that get passed down genetically, for example, the Galapagos finches’ beak shape. The Galapagos finches developed different beak shapes depending on the type of food that was available in their environment. There was one group of finches that had narrow beaks for picking up seeds and insects, and another group that had shorter, stronger beaks for cracking nuts.
Placental mammals all bear live young, which are nourished before birth in the mother's uterus through a specialized embryonic organ attached to the uterus wall, the placenta. The placenta is derived from the same membranes that surround the embryos in the amniote eggs of reptiles, birds, and monotreme. mammals. The term "placental mammals" is somewhat of a misnomer because marsupials also have placentae. The difference is that the placenta of marsupials is very short-lived and does not make as much of a contribution to fetal nourishment as it does in eutherians, as "placental mammals" are known scientifically.
Human Evaluation: As we all know (per Charles Darwin) struggle for existence and natural choice of selection made human to think more with reasoning and analysis ( back bone of reasoning and analysis “WHY”) which intern separated human beings from all other animals. This is completely natural selection. Why mankind is unique among all other creatures? It is completely natural selection but why? 1) Creativity: Per Anthropology and research proves that sophisticated works of art first appeared in the fossil record about 50,000 years ago, at the time that modern’s humans first appeared.
Vestigial structures are the characteristics or attributes of a given species, which have lost all or most of its ancestral function along time and evolutionary changes. There are several examples of vestigial structures in the human do by alone, such as the fifth toe in our feet and male nipples. Another example of a vestigial structure are the hip-bones remains that some whales have buried in their bodies which have no function at all and are believed to have been part of another extremity in their bodies. Embryonic development off vertebrates indicates that all animals have a common fish ancestor due to the way they develop when they are first forming. Even humans have the same characteristics, as must animals when they start to develop as embryos.
Previous studies often thought this mammal was either in the Urisadae family, which consists of bears, or the Procyonidae family, which consists of raccons.The red panda's scientific name is Ailurus fulgens.Not only that, but this animal is also known by many names such as the Fire C, Bright Panda, Common Panda, and Sankam. The red panda is an amazing animal to learn about. Having the similar physical characteristics as the raccoon, the red panda has a covering of soft, reddish-brown fur on its upper body; while they also have dark fur in their lower part of their body, which is used to be able to camoflauge near their surroundings. Its thick dense fur is used to protection themselves from cold and snowy mountains in its habitat. The red panda has a white snout and ears, with white streaks on their face.
Humans are said to be one of the most, if not the most intelligent and successful species on the planet, but it was not always like that. It took seven million years of evolution for us to be what we are now. From our earliest ancestors, Australopithecus, to us, Homo sapiens different changes in the environment and challenges forced us to adapt, discover, and learn new things in order to survive. Through this process of natural selection only those with the right abilities and brainpower will live on. To better understand our history of evolution we will have to go back three point two million years ago where one of the first species of upright walking apes or hominids were discovered.
are the most diverse group of vertebrates besides perciform fish.and heights of General description Using one of the above definitions, dinosaurs can be generally described as archosaurs with hind limbs held erect beneath the body. This posture is due to the development of a laterally facing recess in the pelvis and a corresponding inwardly facing distinct head on the femur. Paleontologists think that Eoraptor resembles the common ancestor of all dinosaurs; When dinosaurs appeared, they were not the dominant terrestrial animals. The terrestrial habitats were occupied by various types of archosauromorphs and therapsids, like cynodonts and rhynchosaurs. Their main competitors were the pseudosuchia, such as aetosaurs, ornithosuchids and rauisuchians, which were more successful than the dinosaurs.