Agnathans (Jawless FIsh) Look at the image that is attached to this question to answer the questions I have How well developed is the skeleton. Is the notochord still evident? Is the skin smooth or rough? Can you see well-developed fins? What about the eyes

Q: Explore the evolutionary relationship between birds and theropod dinosaurs and discuss the bird…

A: Based on similar features, scientists reasoned that maybe the theropods were the ancestors of birds.…

Q: Compare the skeleton of the Horse from that of the ox and pig

A: The skeletal system of horse is in 205 bones in number which have pelvic Limb which are 19 , and 20…

Q: The bones of the skull that form a protective covering of the brain are examples of…

A: The skull or cranium is made up of cranial bones and facial bones. Cranial bones surround the brain…

Q: The type of skeleton in earthworms that allows it to move forward or backward_________.

A: In good soils, whether in your garden or a meadow, earthworms are common. They are slimy,…

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: Do invertebrates without bones have something rigid for their muscles to pull against? How so?

A: Invertebrates are organisms that do not have a vertebral column. These organisms do not have a…

Q: Describe the three types of animal skeletons.

A: A system which is supporting the body to safeguard the internal organs and for the motion of an…

Q: The pectoral girdle supports the ________. a. arms b. legs c. skull d. thoracic cage

A: The skeleton system is one of the vital systems of a body. It is a system of bones where bones are…

Q: adrosaur how tough is their skin for large predators

A: study Explains Prevalence of Hadrosaur Skin Among All Known Dinosaur Skin Fossils At right is a…

Q: Give answer ASAP  Answer the following question about an animal that has vertebrae, a cranium, but…

A: Vertebrae include all those animals that contain cranial/spinal column. four types of vertebral…

Q: Scales of modern teleosts differ from the ancestral state in that they _____.     are thicker and…

A: They are the members of actinopterygians.  They are marked by the body rays on their fins.…

Q: What is the only difference between a fish and tetrapod

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

Q: What structures did amphibians develop to support the weight of the body against the force of…

A: Amphibians, as their name indicates, are class of organisms that  have adaptations suited for both…

Q: Which is the longest bone in humanbody?A. febula B. Tibia C. Stapes D. Femur

A: Bone is a hard, living tissue that forms the skeleton of the body. It is mainly composed of calcium…

Q: A structure that is inferior appendicular and very distal?

A: Appendicular skeleton refers to the vertebrate skeleton that consists of bones that aids the…

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: Dinosaurs like protoceratops how do they defend themselves from predators like velociraptors or…

A: Dinosaurs like protoceratops how do they defend themselves from predators like velociraptors or…

Q: Which animal does not undergo metamorphosis?

A: Metamorphosis is a biological process in which an animal goes through various continuous physical…

Q: Hadrosaur is May have been the only _____ dinosaurs

A: Step 1 The Mesozoic era had witnessed both rise and fall of reptiles. A large number of ruling…

Q: What sarcoptergians or lungfish (if any) are related to amphibians?

A: Ans. In the superclass Tetrapoda ("four limbs"), the vertebrate community that has left the Sea for…

Q: Which of the following is not a feature that suggests bipedalism? foramen magnum of the skull…

A: Introduction Bipedalism is a type of terrestrial movement in which an organism uses its two back…

Q: characterized the Osteichthyes

A: Osteichthyes or bony fishes (as they are popularly known as) are a class of vertebrates which is the…

Q: Neanderthal anatomy traits include which of the following? O 1. Gracile skeleton, prognathic…

A: Neanderthals are an extinct species or subspecies of archaic humans who lived in Eurasia.

Q: Why are external skeletons important for soft-bodied invertebrates?

A: Skeleton is the robust structure exhibited in the organism which act as scaffold for the body.…

Q: Given what you already know about tardigrades, would you agree that they are the toughest animals?…

A: Tardigrades , often called water bears or moss piglets, are near-microscopic aquatic animals with…

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: Characterized by a pelvis with the pelvic bones radiating from the center Ichthyosaurs Plesiosaurs…

A: Dinosaurs These are a diverse group of reptiles belonging to the clade Dinosauria. They first…

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: Describe three important differences between the skeletons of the crayfish and the pig.

A: SOME BASIC INFORMATION  SKELETON  It is a structure which is formed by bones  It basically forms the…

Q: How do amphibians undergo metamorphosis

A: Metamorphosis in amphibians is the transformation of the larva to a miniature adult replicate, and…

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

A:

Q: ambulacral grooves are present in which animals below? a. a unified skeleton b. no madreporite…

A: Ambulacral grooves are usually found in the starfish which is filled with fluids and contains…

Q: Fill in the blank:  The ribs are raised by contraction of the _______________________ muscles, which…

A: The various tissues and organs of the respiratory system help in breathing.

Q: When an organism shifts from a quadriped to a biped, over time what happens to the spine? 1. The…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Distinguish ornithischian and saurischian dinosaurs based on their hip anatomy.

A: Dinosaur is any of group of extinct, frequently very large carnivorous or herbivorous archosaurian…

Q: This is the skull of what mammal?

A: Mammals are creatures that give birth to offspring instead of laying eggs, and all-female mammals…

Q: Animals that are consired to be stocky or muscular what will they be described to show that? Like…

A: Muscle tissue is a soft tissue that composes muscles in animal bodies and gives rise to muscles'…

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: 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: The Ardipithecus ramidus specimen, nicknamed Ardi, was a great find because it contained a large…

A: Ardi It refers to the fossils of Ardipithecus ramidus. It is considered as an early human-like…

Q: An antorbital fenestra and external mandibular fenestra are synapomorphies of archosaurs true false

A: Need to find whether the given statement is true and not regarding archosaurs.

Q: Based on the pectoral girdle specimen shown, the specimen lacks what? (a) omosternum (b)…

A: This specimen is showing a ventral view of pectoral girdle and sternum which consists of coracoid,…

Q: Why are short bones well suited to an area like the wrist? Why are long bones more suited to areas…

A: Bones provide structural support to the human body.

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

A: The multicellular heterotrophic eukaryotic organism without a cell wall are grouped into kingdom…

Q: The long bones are found in

A: Long bones are those bones that contain the epiphysis region and diaphysis region. The Epiphysis…

Q: What insects are expected to have the most sclerotized heads? Explain. Does an exoskeleton have an…

A: The epicuticle, a thin protein coating on the outside, and the procuticle, a thick chitin–protein…

Q: Make some observations about archosaurs as a group. What features do they have in common that make…

A: The Archosaur is a subclass that consists of birds and reptiles (the crocodiles) and a few other…

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.