Which skull specimen (Shark, cat, pigeon) has the greatest number of bones (exclude fissures and spaces)? Which has the least? Explain why.

Q: Only mammals possess 3 ossicles in the ear? TRUE OR FALSE?

A: There are 3 ossicles in mammalian ear: malleus, incus, stapes. With the help of these 3 bones…

Q: skull evolution associated with

A: The evolution of the skull is associated with the evolution of early humans such as hominoid. The…

Q: l view Posterior view

A: Thoracic Vertebrae 1

Q: What is the function of otoliths among fish? Where are they located?

A: Function of otolith : Otoliths are biomineralized ear stones which contribute to both hearing and…

Q: Aside from outer pinna, what structures do mammals have in their ears that reptiles and birds do…

A: * pinna  is absent in many mammals and  this organ acts as a heat dissipator but not involved in…

Q: The olfactory pits form from which of the following?a. mesodermb. cartilagec. ectodermd. endoderm

A: Olfactory pit refers to the depression on the head of an embryo, which becomes converted into  a…

Q: Which of these is not a vestigial structure? eyes in cave-dwelling fish ostrich bird wings pelvic…

A: Vestigial organs are those organs which are available in decreased frame and don't play out any…

Q: Describe the brain of labeo and compare it with that of scoliodon?

A: The fishes are mainly divided into three categories. The Agnatha, Osteichthyes and Chondrichthyes,…

Q: With the reference to the thorax only, how do insects differ from other organisms

A: Thorax is the region present between the neck and the abdomen. It includes thoracic cavity and…

Q: Fossil evidence indicates that the earliest hominids; Had small brains like a chimpanzee, and tails…

A: By the early hominids being biped, meaning they are able to stand and even walk on two feet, it…

Q: Draw a skull of a mammal and identify which parts are the Chondrocranium or Nuerocranium,…

A: The embryonic parts of the mammalian skull are:  Chondrocranium (Nuerocranium): it is made up of…

Q: In contrast to our jaws. which move up and down, the mouthparts of arthropods move side to side.…

A:

Q: make a labeled drawing of the lateral view of the skull of a crocodile

A: The skull of the crocodile is diapsid just like all other reptiles. It has two openings on each side…

Q: What is meant by a “kinetic” skull and what benefit does it confer? How are snakes able to eat large…

A: In addition to movement at the joint between the upper and lower jaw, cranial kinesis is the term…

Q: Birds today are defined by the presence of feathers. Feathers have many uses to include…

A: Evolution is the process of a species' characteristics changing over many generations by natural…

Q: Hyaline cartilage is found in the external ear of mammals.

A: Cartilage is a soft connective tissue that differs from bone in a number of ways. For one thing,…

Q: Predict some structural variations that could provide certainanimals, such as dogs, with a sense of…

A: Odorous substances; detection from the environment help to provide us with a sensation of smell or…

Q: Sensory organs are important anatomical features that helped lineages of vertebrates to succeed up…

A: Sensory organs and the neural networks responsible help in survival, development, learning, and…

Q: Create a dichotomous key from a kangaroo skull

A:

Q: Bergmann's and Allen's rule help us understand [Select] [ Select] the purpose of the occipital bun…

A: Ecology is branch of science which determine the interaction of surroundings with the living…

Q: Understanding which bones are most receptive to ultrasonic vibrations will The connection…

A: Understanding which bones are most receptive to ultrasonic vibrations will be Human bone-conducted…

Q: Why are paleontologists excited to find teeth in the fossil record? Name three pieces of information…

A: By researching or studying fossil records we learn how long life has existed on Earth  as well as…

Q: What is one organ, structure, sensory receptor that is present in an other animals and you wish you…

A: The vomeronasal organ triggers the flehmen response in some mammals and helps direct liquid organic…

Q: Explain how the forebrain, midbrain, hindbrain, and the sensory structures with which each brain…

A: Amphibian nervous system is organized into a central nervous system, peripheral nervous system, and…

Q: Briefly point out two differences between the shark and Amia skulls

A: Skull can be divided into 2 parts : visceral and cranial. Cranial skull is skull proper. Two…

Q: Given that frogs are nearsighted in air, which statement is most likely to be true about their…

A: Frogs are amphibians and are adapted to live in both land and water habitats. Frog's vision is…

Q: Which feature of the face is one-half the width of the mouth? an eye the orbital pouch the chin the…

A: The study of the face and its features is called physiognomy.

Q: Mammals have brains that are more complex than those offish and amphibians, particularly in terms of…

A: The brain is the mass of nerve tissue at the front end of an organism. The brain integrates sensory…

Q: Answer each briefly. Questions to know better your dogfish shark!  How is the shark’s nose…

A: Note :- Since you have asked multiple questions im only answering the ist 3 as per bartleby…

Q: What is the function of the auditory ossicles? What is the function of the auditory ossicles? the…

A: The auditory ossicles transmit vibrations from the tympanic membrane across the middle ear to the…

Q: We usually think of jaws as structure whose original function was biting. What might have been a…

A: The jaw is any opposable articulated structure at the entrance of the mouth, typically used for…

Q: what makes a bird's reflexes so much faster than a human's?  explain some superior aspects of a…

A: Reflexes play an important role in protecting the animal or bird as they act as defense mechanisms…

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

A: Comparative anatomy is the study of the "similarities and dissimilarities" between various objects.…

Q: How does the anatomy of a cat (Felis catus) reflect humans shared ancestry with dogfish sharks?…

A: Comparative anatomy to study organ systems of many species helps to determine the relatedness of…

Q: Whilst fishing, you catch an animal with a long, cylindrical body. You take it back to the lab for…

A: The diverse kind of organisms are present on the earth. A large kind of organisms are present. The…

Q: 1. The auricle, or pinna, consists of cartilage, with the exception of the fleshy lobule, that is…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: C. VESTIGIAL STRUCTURES DIRECTIONS: Read the list of vestigial structures found in humans. Then…

A: Appendix  Possible function-  In another animals storage the mutually beneficial bacteria, that…

Q: Which of the following structures are analogous? Cat legs: Dog legs   Penguin fin: Pigeon wing…

A: INTRODUCTION Analogous structures are the features of different species of organisms they have…

Q: How has the importance ofthe brain evolved from fishesto reptiles?

A: Evolution is a natural process that includes several changes over many generations in the…

Q: For each of the five (5) main classes of vertebrates, which part of the brain is the most important.…

A: Introduction: phylum Chordata is divided into three subphyla: Urochordata, Cephalocordata, and…

Q: If members of a group, such as chordates , evolved from a common ancestor then they should show…

A: The oldest discovered fossil of chordate is Pikaia gracilens belonging to cephalochordate. It is…

Q: In a table, compare and contrast the cranial kinesis of all the different vertebrate classes

A: Introduction Cranial Kinesis- The term refers to the movement of skull bones with the movement of…

Q: Is tympanum is represent the ear in animal kingdom?

A: Organisms that are multicellular, eukaryotic and have heterotrophic mode of nutrition are…

Q: Which of the following is NOT a derived feature of the Neandertal skull? a   juxtamastoid crest b…

A: There are many point of differences between neanderthal anatomy and the modern day humans.

Q: Describe clearly the theory of the origin of the Vertebrata from invertebrates

A: The invertebrate-to-vertebrate transition was a watershed moment in the animal kingdom's history.…

Q: Many cephalopods have a structure found inside of their head called the "pen". Because cephalopods…

A: Animals (likewise called Metazoan) are multicellular eukaryotic creatures that structure the natural…

Q: Which vertebrates have a lateral line system and which do not?

A: The lateral line system is an arrangement of tactile sense organs aligned in an interconnected…

Q: What anatomical evidence has been used to support the idea that australopithecines spent time in the…

A: Evolution of human :-

Q: Most anatomists consider bats more specialized than moles; but what important differences can you…

A: Humans are covered with skin, feathers are covered by birds, and fur is covered by bats. But there…

Q: Briefly describe why some vertebrates can hear. Why is this an important evolutionary adaptation?

A: The process by which an individual becomes better fitted to its environment is known as adaptation.…