Define the following: ostia, osculum, spongocoel, apopyles, prosopyles, spicules

Q: What is vertebrae? Briefly discuss its divisions.

A: The vertebral column act as a support.

Q: In what ways are bursae similar to joint capsules? How do they differ?

A: Bursae are little sac that lives between the bones, bones and muscles , or muscles and skin. It…

Q: State the exact location of mandibles.

A: Bones provide the protective and supporting framework for the tissues and organs of the body. It is…

Q: Describe the following characteristics of a hydrostatic skeleton? Common developmental stage…

A: A hydrostatic skeleton is a skeleton formed by a fluid-filled compartment within the body, called…

Q: define the tow divisions of skeletons?

A: Skeleton is a subtype of the body system composed of bones. The functions of the skeleton are:…

Q: Explain how is the structure of the bone of frog is related to its function?

A: The bone is a rigid connective tissue found in the bodies of vertebrates. It serves as a scaffold…

Q: Distinguish between the Prostomium and peristomium.

A: Annelids are the invertebrates that have segmented bodies. The representatives of this phylum,…

Q: Name/Identify the Skeletal Element Classification (To which Group or Region does it Belong? Ex.…

A: * NOTE: Kindly repost for other questions* Dear Student as per the guidelines we are supposed to…

Q: Illustrate the structure of a synovial joint ?

A: BASIC INFORMATION  JOINTS The point of meeting of two bones or more than that is known as joint.…

Q: compare and contrast the size and function of the upper and lower extremities of the appendicular…

A: The appendicular skeleton refers to a portion of the vertebrate skeleton which consists of the bones…

Q: hat are three examples of species of hydrostatic ske

A: Skeleton - It is the hard structure that protects the internal organs of a living thing. It may…

Q: Unlike exoskeletons, endoskeletons do not provide protection for the body surface of animals. How…

A: The external covering that is found mainly in invertebrate animals is known as an exoskeleton. It is…

Q: Write any five functions of Skeleton system in human body and explain briefly each one of them?

A: Skeletal system consists of bone, cartilage, ligaments, tendon. It is derived from mesoderm. It…

Q: COMPARE THE DIFFERENT STRUCTURES ON THE PHOTO. Humerus- Radius- Ulna. Carpals- Metacarpals-…

A: Homologous structures are structures derived from a common ancestor or some evolutionary or…

Q: Comparision between class-osteichthyes and claa-amphibia?

A: Class Osteichthyes and Class-Amphibia are two essential classes of Phylum Vertebrata. Vertebrates…

Q: 1. Define the following                a. Operculum                b. Spine                c.…

A: Trematodes are parasitic flatworms that reproduce through sexual or asexual mode but both take place…

Q: Which of the above lacks a radula? A, B or C?

A: Explanation  The radula is the anatomical structure used for feeding in most species of Mollusca.…

Q: femur соха tibia trochanter pretarsus cutarsus batarsus ?

A: Introduction Mole crickets:- These are cylindrical-bodied, and as the name implies, are insects that…

Q: 1st metatarsal from the last metatarsal of the pig?

A: The metatarsals refer to the five long bones found in each foot, that connect your ankle to your…

Q: List the types of skeletons found in animals.

A: The skeletal framework capacities as the fundamental structure of a body and the whole body are…

Q: Watch this video (http://openstaxcollege.org/l/elbowjoint2) to learn more about the anatomy of the…

A: Cartilage is a connective tissue which are seen at the joints, at the end of the bones and are also…

Q: What are vestigial skeletal structures, and how Coccyx fit into it?

A: Evolution could lead to changes in the structure present within organism. Based on the evolutionary…

Q: Name the type of joint of carpel?

A: Carpal/metacarpal of a thumb is joined by the saddle-shaped synovial joint. The bones form the…

Q: Describe the advantages and disadvantages of thearthropod exoskeleton.

A: The largest phylum of the animal kingdom is Arthropoda that possesses a hard, tough external shell…

Q: What are various types of appendages that thorax bears?

A: Appendages are extremely complex structures consists of multiple tissues having the ability to…

Q: Write down the division between agnatha and gnathostomata?

A: Phylum Chordata is characterized by its five anatomical features including a notochord, pharyngeal…

Q: Which bone supports the forearm of frog ?

A: Frog is an amphibian creature. It lives in both water and land. Frogs usually feed on insects. The…

Q: Why do some vertebrates possess cartilaginous endoskeletons while others possess bony endoskeletons?…

A: All vertebrates possess endoskeleton which are found inside their body structure. It is made up of…

Q: Watch this video (http://openstaxcollege.org/l/midfemur) to view how a fracture of the mid-femur…

A: The fracture is the breaking of the bones in to two more parts. Depending on the location and the…

Q: Compare and contrast the glenoid cavity of the scapula with the acetabulum of the os coxae. Which…

A: Skeletal system is the basic framework of the body consisting of bones and the cartilages. This…

Q: 1 uperorbital margin Kacrimal 6 Optical canal asal bo ne 7 Zygomatic bone thmoid bone 8 Enterior…

A: Cranial base - comprised of six bones: frontal, sphenoid, ethmoid, occipital, parietal, 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: distinguish between the three types of sutures;

A: A suture is a medical device that physicians and embalmers, particularly surgeons, use to restrain…

Q: How does an ape skeleton differ from a human skeleton?

A: Introduction A skeleton is the hard structure that protects a living thing's internal organs.…

Q: In the ligaments and Joints of the Head of the dog, what components of a diarthrodial joint did you…

A: Diarthrodial Joint: A diarthrodial joint is a freely moving joint with a joint cavity surrounded in…

Q: Briefly describe the differences among plantigrade, digitigrade and unguligrade in terms of their…

A: Plantigrade : In this Humans and Bears put the whole feet on the ground for locomotion. Digitigrade…

Q: Locate and describe the following structures in the animals: Semilunar crest Semilunar…

A: 1)Semilunar crest is a facial structure in horse which divides the volar face into a large concave…

Q: Please identify the bone, estimate the body mass of the animal, and justify whether it is aquatic,…

A: The Skeleton system includes bones and joints. Bones are composed of different cells, protein…

Q: Why do you think the hydrostatic skeleton is eventually lost in animals with exoskeleton and…

A: Skeleton consists of bones and cartilage.Its  main function is to provide shape, strength and…

Q: Both hydrostatic and exoskeletons can protect internal organs from harm. Contrast the ways the…

A: An exoskeleton is a hard external skeletal structure that protects the inner vital parts of the body…

Q: How is the skeleton of a sea urchin like the skeleton of a lobster? How is it different?

A: Higher invertebrates phyla consist of animals taking Higher positions in the phylogenetic tree of…

Q: Name the major components of the axial skeleton. Namethose of the appendicular skeleton

A: Skeleton refers to system which supports the body of an organism and provides specific structure to…

Q: Differentiate between Agnatha and Gnathostomata

A: Step 1 Vertebrate is the largest subphylum of Chordata in which the notochord in the embryo is…

Q: What is radula? List its function?

A: The phylum Mollusks include species, such as octopuses, squids, snails, etc. The members of this…

Q: What is the structure of decalcified mammalian bone?

A: Decalcified bones refer to the bones from which calcium ions are removed, and bone is softened.…