What was Xu Xing's original hypothesis for how flight evolved in birds?

Q: What is plausible evidence supporting the hypothesis that birds evolved from dinosaurs? Please…

A: Evolution is a slow and gradual process by which an organism changes over time through changes in…

Q: Why are plesiadapiforms most likely the earliest primate ancestors?   A. They do not have a…

A: Thе quеst to pinpoint thе еarliеst primatе ancеstors is a fascinating pursuit within thе rеalms of…

Q: How do major changes in characters evolve, and how do new features originate?

A: The change in the heritable characteristics of the species across many generations is called…

Q: Which statement accurately describes the tuskless elephants in the video? O a. They were born…

A: Tusks are just elongated lateral incisors that grow outward once the elephant loses its baby teeth.…

Q: What Birds did Darwin discover in the Galapagos Island?

A: Birds are a group of warm-blooded vertebrates that are constituting the class Aves. They are…

Q: What is the first animal on earth?

A: The earth is 4.543 billion years old and the first organism to appear on the Earth’s surface was…

Q: Was Archaeopteryx the firstbird?

A: Archaeopteryx is a fossil. This is an extinct species; it does not exist anymore. The fossil was…

Q: How does the amount of Neanderthal DNA in modern humans vary geographically? a. Individuals of…

A: Up until around 40,000 years ago, Neanderthals who are close evolutionary related of modern humans…

Q: What is trichomacy in primates and why is this considered a beneficial mutation?

A: INTRODUCTION   Prosimians, monkeys, apes, and humans are all classified as primates, a group of…

Q: What might have happened if finches didn't evolve into many different species?

A: Darwin finches are the best example of adaptive radiation and natural selection. One of the major…

Q: What observations led Darwin and Wallace to predict the existence of a long-tongued moth in…

A: The theory of evolution suggests that every species on the Earth evolves in order to to sustain its…

Q: Did the Neanderthals and Denisovans mate with each other before their lineages died out?

A: The modern human species known as Homo sapiens evolved about 315,000 years ago in the African…

Q: Why did hominins evolve from an apelike primate?

A: Carolus linnaeus placed man among monkeys and apes. He coined the term Homo sapiens for humans.…

Q: What are flight adaptationspresent by birds?

A: Adaptation is an evolutionary change that makes the organism or the species better suited to the…

Q: What genetic changes led to the increasing complexity of the arthropod body plan?

A: Answer- Arthropods are among the most adapted phyla on the planet. There are many factors…

Q: What would be the adaptive value of having a brightly colored male bird?

A: Natural selection leads to adaptation, that is, to a population dominated by living beings that are…

Q: What is the common ancestor of humans and apes?

A: The biological transformation of a species through time is referred to as evolution. Evolution aids…

Q: What evidence suggests that four-legged animals came from fish?

A: Evolution is a slow process which explains that how the species changes with time to survive in…

Q: From the early 1700s to the modern day, how did various lines of evidence clarify and improve…

A: Cetaceans are the true aquatic mammals that have evolved mechanisms to survive in the water.…

Q: Why become a primate

A: In biology, evolution is the transition over many generations in the characteristics of a species…

Q: Based on morphological data, explain which early euprimate is thought to be ancestral to modern…

A: The study of early euprimates, the group that incorporates modern primates and their closest extinct…

Q: Name the extinct representative of modern man.

A: The fossils of human showed the evolution of brain, body size, locomotion, and many other aspects.…

Q: What is the evolutionary relationship of Neanderthals to Homo sapiens?

A: While a modern human who lived about 40,000 years ago was found to have about 6-9 percent…

Q: Why did ancestral mammals survive the asteroid impact while the dinosaurs did not?

A: If an asteroid coming on earth and breaks into fragments, any fragment larger than 35 meters across…

Q: What does hindlimb shape say about the ancestry of dolphins and other cetaceans?

A: One of the orders of Mammals is Cetaceans that had originated about 50 mya in Eocene epoch. This…

Q: Has Brain Size Increased as Hominids Evolved?

A: A hominid includes extinct species like great apes and living species include humans, chimpanzees,…

Q: the following pairings of organelle-function are mistaken loroplast - photosynthesis ell membrane -…

A: It is a sub unit with in a cell that performs a specific function. They are tiny organs and plays a…

Q: Mammals, like humans and apes, have 5 digits on their fore and hind limbs. Modern horses have 1. How…

A: We know that mammals like humans and apes have 5 digits in their hands and feet. While the modern…

Q: Which is NOT true about Homo habilis: A) considered the first tool maker B) had a smaller brain the…

A: The question is asking us to identify the incorrect statement about Homo habilis, an early human…

Q: What factors acted as selective pressure for the evolution of the large human brain?

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

Q: How might we know what the common ancestor of frogs and humans may have been? Where could we look…

A: Similarities in characters of two organisms definitely suggest that they had some common ancestor…

Q: Why do people of European descent have a small portion of Neanderthal genes? Why don’t people of…

A: A gene is a basic unit of heredity and a sequence of nucleotides in DNA that encodes the synthesis…

Q: How do finches reconize members of their own species?

A: The objective of the question is to understand how finches, a type of bird, recognize members of…

Q: what were the earliest members of the genus Homo?

A: Human evolution is the evolutionary path that led to the development of anatomically modern humans,…

Q: In what chronological order did the following traits evolve? a) First the mesoderm, second the…

A: The correct option is C First the amnion, second the mesoderm, third the notochord and fourth…

Q: What is significant about Homo erectus in the human lineage

A: Homo erectus  was the first of our relatives to have human-like body proportions, with shorter arms…

Q: What were the environmental changes that led to the demise of many species of finch?

A: According to a study, Darwin’s known finches would possibly be driven to extinction additionally by…

Q: HOW MANY YEARS AGO DID THE DINOSAURS BECOME EXTINCT?

A: A timeline based on the rock record of the earth is called a geologic time scale (GTS). It is a…

Q: "Neanderthals have revealed interesting elements of the human genome". What are those elements ?

A: Neanderthals are the first hominid fossils. Their morphology is similar to modern humans. The modern…

Q: What term did Lamarck use to explain how new species emerged

A: Jean-Baptiste Lamrack was a French naturalist, who believed if the body parts were not being used,…

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.