A.) what were some of the challenges reptiles faced? B.) and how did they overcome those challenges? (Evolutionary, adaptation...)

Q: Elaine Morgan makes the case that humans may have an aquatic ancestor in recent evolutionary past.…

A: Elaine Morgan theory suggests that early apes have lived  in aquatic environment a significant part…

Q: Can you suggest why, during the evolutionary history of animals, there has been a tendency for…

A: The biological organization’s uniformity was derived from the common ancestry as well as from their…

Q: Can you suggest why, during the evolutionary history of animals, there has been a tendency for…

A: Evolution is defined as the change or alteration in a species characteristics and features over…

Q: Adaptations are physical or behavioral traits that help an organism survive in its environment. What…

A: A complex evolutionary mechanism that adapts species to their surroundings, thereby increasing their…

Q: Why do whales possess a femur and a pelvis? A. They descended from organisms that walked on land. B.…

A: Introduction:- There are some parts of the body that no longer serve a role, yet did in our…

Q: How might you use biotechnology to show humans today have Neanderthal genes, and therefore,…

A: Biotechnology is the use of living organisms to create or modify products, or to perform processes…

Q: What adaptive benefit do the three middle ear bones afford mammals?

A: The three ear ossicles of mammals consists of malleus,incus and stapes which helps in transmission…

Q: Although other groups of vertebrates are more numerous and have existed longer than mammals, mammals…

A: Vertebrates are animals that have rod-shaped vertebral columns. A bundle of nerves runs above the…

Q: Based upon the mutation that your dinosaurs have, are there any environmental changes in which the…

A: Mutations are changes that occurs in the deoxyribonucleic acid (DNA) sequence, either due to…

Q: Are the limbs modified into wings of bats and the wings of birds examples of evolutionary analogy or…

A: Homologous organs are defined as the organs of different species that are having a similar structure…

Q: From this lab, one might conclude that certain trends can be detected, trends from ancestral…

A: Animals evolved through a process known as evolution, which involves changes in a species' features…

Q: ___________ were an early group of humans with short, sturdy builds and heavy supraorbital ridges…

A: Answer is d.) Neandertals.

Q: What makes hydra, planaria, salamanders, and fish so much better at regenerating than mammals?

A: Answer- Regeneration is the process by which an organism damaged or missing cells of the organisms…

Q: Which of these characteristics best promoted the survival of offspring in reptiles, birds, and…

A: Reptiles are vertebrates that are covered in special skin made up of scales or bony plates. They are…

Q: According to the current hypothesis, when did most major groups of animals evolve?

A: Evolution is change in the heritable qualities of natural populaces over progressive ages. These…

Q: Some scientists suggest that the Neanderthals and possibly Denisovans, never went extinct, but…

A: Introduction About half a million years ago, modern humans, or Homo sapiens, and Neanderthals shared…

Q: Changes in the traits of the fossils studied are  consistent with what is expected to be favored by…

A: Horses are generally thought of as grazers (animals that eat grass) as opposed to browsers (animals…

Q: According to the latest researches in Physical Anthropology, what is the relationship between…

A: Physical anthropology is also known as biological anthropology. It is a branch which focuses on the…

Q: Humans as individuals have a number of disadvantages compared to other animals. For instance we are…

A: The Primates are the group of living organisms that comes under the class Mammalia of the animal…

Q: If Lamarck and Darwin had debated why giraffes have such long necks, how would their explanations…

A: Evolution is a steady ( gradual) phenomenon which cause transformation of life from simple to…

Q: How did evolution ever lead ostriches to hide their head in the sand when an enemy approaches?

A: *Before evolution takes place Ostriches doesn't hide their head in the sand and when approached by…

Q: How can we understand the evolutionary relationships among animals, and how, in turn,can we…

A: Answer: Introduction: A phylogenetic tree, also called as a phylogeny, is a diagram which shows the…

Q: The earliest-diverging gnathostomes (jawed vertebrates) were fish. Which one of the following…

A: Jaws, in fishes, are developed from the pharyngeal arches, which play a major role in protection of…

Q: Based on the anatomy and biological design of Bulbasaur given in the illustration, will it survive…

A: It is assumed that some big meteorite crashed into Earth, changing the climatic conditions so…

Q: Based on your observation of the whale diagram and your understanding of evidence that supports…

A: Evolution is the process by which simple traits and characteristics become complex over a period of…

Q: Although most salamanders have four legs, a few species that live in shallow water lack hind limbs…

A: Natural selection refers to the evolution of species in such a way that the changes are better…

Q: Why do you think the changes in Homo erectus with much larger body size, skull, and brain than…

A: Evolution is the main reason for the survival of life on this planet and evolution comes as one…

Q: How and why did sponges develop skeletons, given that they were the first animals, there were no…

A: Sponges are the simplest form of multi-cellular organisms with structural complexities. They have…

Q: Elaine Morgan makes the case that humans may have an aquatic ancestor in recent evolutionary past.…

A: Thank you for the question  Answer : Elaine Morgan in 1990 wrote a book named Scars of Evolution.In…

Q: Which of the following is NOT a characteristic of all reptiles?      A Use lungs and skin for…

A: Reptiles are four legged organisms which form an intermediate group between mammals and amphibians.

Q: Prehistoric remains of animals consist almost exclusively of bones and teeth. Why?

A: It is generally found that the prehistoric times mainly comprise of harder body parts like bones and…

Q: what do fossils tell us about the evolutionary history of the animal kingdom?

A: The traces or remains of an organism that once lived on Earth is termed as fossil. Fossils somehow…

Q: What are the genetic changes thatallow the repurposing of existing bodyparts during evolution? For…

A: Evolution is a process that results in changes in the genetic material of a population over time. It…

Q: Elaine Morgan makes the case that humans may have an aquatic ancestor in recent evolutionary past.…

A: Evolution is the process by which an organism inherits or adapts favourable characteristics that…

Q: Is this evolutionary conservation of the pecten structure evidence that natural selection might be…

A: Birds belong to the class Aves under vertebrates in the animal kingdom. Birds have the biggest…

Q: What are the largest animals ever to have lived on Earth? From what animals are they thought to have…

A: The branch of biology that deals with the structure, function and evolution is called zoology. It…

Q: Which of the following is the BEST additional evidence that mastodons were related to elephants? A.…

A: It is any of several extinct elephantine mammals that appeared in early Micocene.

Q: Did humans evolve from chimpanzees or do humans and chimpanzees share a common ancestor?

A: Evolution is the study of origin of Earth, origin of life on earth and the relationship between all…

Q: Do you think Woolly Mammoths should be brought back from extinction? How about Neanderthals? why, or…

A: Why Woolly Mammoths should be brought back from extinction? At the conclusion of the previous "ice…

Q: Does reclassification of a dinosaur, or any other species, decrease the supporting evidence for the…

A: Evolution is the process of formation of life on the earth in the form that we see today. It is a…

Q: What similarities can you find to provide evidence of their evolutionary relationship in…

A: All belong to hominids ear, the Australopithecus discovered by professor Raymond Dart, these are the…

Q: How did evolution ever lead ostriches to hide their head in the sand

A: Ostriches are flightless birds that are known to lay the largest eggs. They belong to the Struthio…

Q: Darwin theorized that all four of these finches evolved from one ancestor. Why do you think their…

A: This process in which one species gives rise to multiple species that exploit different niches is…

Q: evolutionary history of animals , there has been temdency for maximum body size to increase ? Do you…

A: The relationship between size and complexity is analyzed by examining the effects of size increase…

Q: It is thought that jaws, which are found in the higher vertebrates, evolved from: a. progressive…

A: Introduction :- A cartilaginous or bony gill arch supports each gill. The gills of vertebrates…

Q: Flying fish use large pectoral fins to glide in air. Explain how Lamarck and Darwin might account…

A: Natural selection  The selection of the beneficial trait for better survival.

Q: Fossilized remains of prehistoric mastodons show anatomical similarities to modern-day elephants.…

A: Natural selection is defined as the process where one species give raise to other new distinct…

Q: Over a period of millions of years, cheetahs evolved to become faster and faster (as did their…

A: Lamarck's theory of evolution --- Theory of Lamarckism was propounded by Jean Baptiste Lamarck and…

Q: Until recent discoveries suggested otherwise, animals existing before the Cambrian period were…

A: Cambrian explosion took place nearly 541 million years ago in the Cambrian period. Fossil records…

Evolutionary adaptations

Evolutionary adaptation is the process through which organisms adapt or adjust to their surroundings to increase the chances of survival, mating, and reproduction. An organism's behavior, physiology, and structure are adjusted or changed to make it more suited to its environment.