How does the arrangement of skeletal structures differ in sea urchins, sea stars, and brittle stars? How do these differences establish the way these animals move?

Q: The similarity of bone structure in the forelimbs of many vertebrates is an example of what?

A: In different types of vertebrates, their bones of forelimb are similar in structure but the…

Q: In what way do teleosts and other fish benefit from having a bony operculum?   it prevents water…

A: An operculum is a hard and bony flap-like structure It covers the gills of teleosts and other bony…

Q: Which of the following animals has a hydraulic skeleton?a. crustaceanb. sea urchinc. sea stard.…

A: Tube feet are also called podia and these are small mobile tubular projections on the oral front of…

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

A: Hydroskeleton is present in Jelly fishes and earthworms. Exoskeleton is present in arthropods such…

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: Make a comparison between the skeletal, muscular, nervous, digestive, endocrine, respiratory ,…

A: The animal kingdom is classified into two main categories on the basis of the presence or absence of…

Q: Which feature is found only in gnathostomes?     both pelvic and pectoral fins or appendages…

A: Gnathostomes are those organism who have jaws in their body. It includes two groups: Pisces: It…

Q: cartilaginous endoskeleton while others possess bony endoskeleton?

A: Endoskeletons have evolved to suit their owner’s lifestyle. Bird bones, for instance, are full of…

Q: What invertebrate groups exhibit hydrostatic skeletons? What is the importance of the hydrostatic…

A: Invertebrates are those which do not have vertebral column.

Q: list and describe the functions of the different types of connective tissue that make up a…

A: The circulatory framework, likewise called the cardiovascular framework or the vascular framework,…

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: Turtles have a shell to protect them externally. Draw a labelled cross section diagram of a turtle…

A: The ventral and dorsal regions of turtles (the order Testudines) are protected by their shells,…

Q: human forearm, a horse's front leg, a bat's wing, and a porpoise's flipper have similar bone…

A: human forearm, a horse's front leg, a bat's wing, and a porpoise's flipper have similar bone…

Q: How do vertebrae fit together to form a vertebral column, and the fate of the notochord as the…

A: There are five distinct anatomical and functional areas in the vertebral column. Individual…

Q: How are a fish’s and a bird’s skeletons similar in structure andfunction?

A: Introduction: Fish belong to phylum Chordata and is a marine living creature. However, birds also…

Q: Animal Compare Animal Bone Structure to Human Bone Structure Compare Animal Limb Function to Human…

A: Animals and humans body is composed of many bones (206) in humans but these bones show a lot of…

Q: Which feature of ichthyostega would not have improved its ability to move on land? it had an…

A: Vertebrata is a phylum in which the animals have a vertebrae or vertebral column to support the body…

Q: Is a cartilaginous skeleton a homolgy between early gnathostomes and cyclostomes due to their shared…

A: Gnathostomata is a class of jawed vertebrates and consists of around 60000 species of vertebrates.…

Q: Which of the following is true regarding evolutionary changes in morphology of dentition over time…

A: During evolution of humans, there was changes in morphology of dentition over time. Here, we have to…

Q: What is the role of haversian canal in mammalian bones?

A: Haversian canals also known as canal of  Havers, are a series of microscopic tunnels which surrounds…

Q: What part of Human anatomy is similar to the Pectoral and Pelvic Girdle of the amphibian?

A: The hip or pelvic girdle' is present in the posterior side of the body to which the pelvic fins or…

Q: How does the limb orientation of "advanced" tetrapods differ from that of "primitive" tetrapods? How…

A: Tetrapods are four-footed animals that belong to a group that comprises all vertebrates above the…

Q: What features of a hydrostatic skeleton do Sponges, Cnidarians, Nematodes, Annelids, and Arthropods…

A: The most frequent skeletal system for movement and support in animals is the hydrostatic skeleton.…

Q: The bird skeleton structure below is formed through the fusion of what vertebrae regions. What are…

A: Bird's skeleton structure It is the physiological structure of the bodies of birds that shows unique…

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: Discuss the similarities and differences of vertebral column of milkfish, shark, frog, turtle,…

A: Vertebrae: Each of the backbone's sequence of small bones, each with multiple projections for…

Q: Which of the following correctly describes the cleavage pattern in reptiles, birds, and fish?…

A: Cleavage is the process of cell division in the developing embryo following fertilisation in…

Q: In which ways does the limb orientation of "advanced" tetrapods differ from that of "primitive"…

A: Manus is a term used for hands or and forelimbs.

Q: In which ways does the limb orientation of "advanced" tetrapods differ from that of  "primitive"…

A: Tetrapods are the four limbed structure.And these limbs have derived from fins.The limbs of all…

Q: Are the skeletal plates of Blue Sea Star arranged regularly or irregularly?

A: Sea stars, additionally called starfish, are marine invertebrates of the class Asteroidea (phylum…

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 hips of modern birds the pelvic bone is _____. angled posteriorly because birds descended…

A: The anatomy and physiology of the birds are specially designed to enable flying. The specific…

Q: Are the bones as solid and hard at the ends as in the middle of the shaft?  What unusual…

A:

Q: Compare the bat to the bird

A: Birds and bat are distinct from each other. As birds are classified in aves group and they are…

Q: Describe the exoskeleton and examples of organisms with this type of skeleton Which is the main…

A: 1.Exoskeleton is external skeleton which protects and supports the body of the organism.It is used…

Q: n what ways is the dogfish skeleton not a good example of the primitive vertebrate condition?

A:

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: What is a radula and what is its function?  What is a mantle and what is its function

A: Given: Need to define radula and it's function Need to define mantle with it's function.

Q: Describe the evolution of mammals, tracing their synapsid lineage from early amniote ancestors to…

A: An animal that is characterized by the presence of mammary glands (mostly in females and sometimes…

Q: Using forceps or tweezers, gently pull the 4th or 5th pereiopod to examine its motion. Do so without…

A: As per the guidelines, we are entitled to do one question at a time. Kindly submit the question and…

Q: Which of the following are analogous structures? O an eagle's beak and a lobster's claw O a…

A: Analogous structures and homologous structures are structures in different species that  are…

Q: What would be present in Spongebob's poriferan skeleton? Specify the chemical composition as well as…

A: The SpongeBobs poriferan Skeletal  structure  are containing spicules and spongin fibres. Skeleton…

Q: Shown below are images of the skeletal structure of the front limbs of 6 animals: human, crocodile,…

A: Animal Primary function Human The human arm's role is to reach items with your hands.  Whale The…

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.…

Q: How does the arrangement of skeletal structures differ in sea urchins, sea stars, and brittle stars?…

A: Sea urchins have five-fold symmetry,

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

A: The skeleton organization in animals are found as three types - hydrostatic skeleton, exoskeleton…

Q: Describe the structural differences between the pleopods and the pereiopods up the prawn. What…

A: We are answering first part For rest of question pls Repost