1. Larry Martin and David Burnham (U of Kansas) made their 3-D model of microraptor from a mold of a single microraptor fossil. How was the hip joint of the model configured and what does this suggest about microraptor and the origin of flight?

Q: Where on the tree did the vertebral column evolve? Group of answer choices B D A E C

A: Chordates are evolved from some deuterostomes, as they have similitudes in embryonic development,…

Q: Birds are supposed to be the dinosaurs' closest relatives. List and explain five reasons why the…

A: Feathers, toothless beaked jaws, the laying of hard-shelled eggs, a rapid metabolic rate, a…

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: Tiktaalik is a fish that lived 375 million years ago that grew to three metres long and had aquatic…

A: The study of evolutionary processes and speciation provides valuable insights into the mechanisms…

Q: What is the select advantage of the evolution of the jaw in dogfish shark?

A: The dogfish shark or spiny dogfish is the species of the Squalidae family of sharks, which is a part…

Q: Birds are unique because th

A: Flight is the primary mode of locomotion birds. Flight assists a birds with feeding, breeding,…

Q: Which arthropod class is the most diversified animal group of the planet? How can this evolutionary…

A: Arthropods have jointed appendages. They are characterized by wings and  3 pairs of legs.

Q: 1. a) List 5 distinguishing factors of reptiles and their similar characteristics to birds. b) How…

A: Birds and reptiles are two different groups of animals that are quite different from each other yet…

Q: Which of the following is the correct classification for the following chordate animal: These…

A: The phylum Chordata contains all of the animals that have a rod-like structure used to give them…

Q: Mammals belong to a group of amniotes known as synapsids. Three major lineages of mammals had…

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Q: 5. Archosaurs are distinguished by what common ancestral trait? opening 6. You may exit the Hall of…

A: DISCLAIMER FOR MULTIPLE   Since you have asked multiple question, we will solve the first question…

Q: Explain the significance of the discovery of Archaeopteryx.Why did this fossil demonstrate beyond…

A: Generally, birds are specialised group of vertebrates which have evolved from reptiles during…

Q: What is a plausible scenario for evolution of wings and flying insects?

A: Evolution is the natural process where is a change in the heritable characteristics of biological…

Q: Development of an animal is controlled by the genes that are expressed during development. What…

A: Hox genes are members of the homeotic transcription factor family that play a key role in…

Q: You are confronted with two creatures that, on first glance, both appear to be pill bugs. Upon…

A: An isopod crustacean belongs to phylum arthropoda with the exoskeleton made of chitin and joined…

Q: Discuss the idea that every evolutionary adaptation has both advantages and disadvantages, using…

A: Cephalization is the development of ahead, where the sensory organs and the brain are organized.…

Q: Some people state that the dinosaurs have not “gone extinct,” they are with us today. What evidence…

A: According to many evolutionists, dinosaurs are not really extinct but are rather feeding at our bird…

Q: The phylogeny shows types of feathers below, and how early birds are related to each other. praptor…

A: Answer :- Option (D) is correct. - The common ancestor to Microrapter , Sinosaurus , and other…

Q: 1. What era is known as the age of reptiles? 2. In animals, Hox genes activate proteins to…

A: Developmental Biology is the branch of Biology that deals with the organ development and other…

Q: Discuss: How old are the oldest camel fossils shown? How has the skull changed over time? How have…

A: Evolution is the gradual change in forms of life throughout the world. Plants, animals, microbes all…

Q: Evolution in Humans 1) explain how fossil evidence is used to reconstruct the hominid history

A: BASIC INFORMATION EVOLUTION   The meaning of of evolution is basically to an fault or to reveal the…

Q: What is the role of segmentation and tagmatization in the evolutionary success of the arthropods?

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Q: A a) Identify structure A. b) What group of animals does this organism belong to? c) Name one…

A: Hemichordata phylum organisms are triploblastic and enterocoelomates and bilaterally symmetrical…

Q: Mammals have a particularly good sense of earing thanks to their inner ear which includes three tiny…

A: Introduction Evolution is the process of a species' features changing over numerous generations…

Q: Flight in birds developed over time due to multiple evolutionary steps. The development of feathers,…

A: Evolution is a result of adaptation to environmental cues. For an organism to develop certain…

Q: Pharyngeal slits are which of the following?   Question 24 options:   a)  Openings in the…

A: Pharyngeal slit are opening in the pharynx that extend to the outside environment. In organisms that…

Q: Match the following colum option with all correct mato

A: The kingdom Animalia consists of several important phyla. All these phyla show different types of…

Q: 11. The figure above illustrates how some characteristics of the horse have changed over time. Along…

A: Evolution can be defined as the change in the characteristics of a species over multiple generations…

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: How and why do jaws have evolved?

A: How jaws evolved : Jaws probably originated in the pharyngeal arches supporting the gills pf jawless…

Q: Observe the behavior of the live goldfish. Note the movement of the operculum. What is its function?…

A: Operculum is a characteristic of Bony fishes like Goldfish. It supports the facial features of the…

Q: Ornithopods and ceratopsians are characterized by numerous instances of convergence. Which of the…

A: Ornithopods are small, bipedal, running dinosaurs that are herbivorous animals. These dinosaurs have…

Q: Search the Internet about the evidence suggesting that birds and dinasours are closely related. If…

A: Birds are evolved from theropod dinosaurs which  share over 100 trait. Scientists discovered that…

Q: Which of the following features does not distinguish humans as a member of phylum Chordata? a. Human…

A: An organism is an individual living thing. It is classified as unicellular microorganisms include…

Q: Which of the following is the correct classification for the following chordate animal: This is a…

A: Tetrapoda is a superclass under the phylum chordata. They are limbed vertebrates and include…

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 is the DNA analysis and fossil records of the animal aye-aye

A: The scientific name of aye aye is daubentonia madagascariesis.  Aye aye have low population density.…

Q: What are examples of the following groups of vertebrates: Chondrichthyes, Actinopterygii,…

A: The vertebrates are a group of animals that have a spinal cord that is enclosed by cartilage or a…

Q: fossils from the paleozoic era have been found and it is understood that fossils of insects from…

A: Fossils hold the proof. Researchers realize that dragonflies with wingspans as wide as a hawk…