What are the characteristics of a female mud crab ( Scylla serrate) on its mouth (Buccal) Frame?

Q: A large skull was found with a dental formula 2:1:2:3, large incisors, and small canines.  The skull…

A: The skull is the bony structure that supports the face and brain in vertebrates. Except for the…

Q: Based on the primary features only, ldentify and name any five chordates (two must be aquatic) that…

A: Chordates represent the members of Phylum Chordata. The primary anatomical features of a cordate…

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

A: Quadriped are the animal which have four feet. four-footed, quadrupedal. Biped are the animal who…

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: Complete the table below.  Type of Jaw Attachment/Suspension Usually found in what group of…

A: INTRODUCTION          Jaw suspension defines as the attachment of lower jaw with the upper jaw…

Q: Give the digrammatic representation showing Reptilian claw?

A: The air-breathing vertebrate organisms are covered by a special skin of bony plates, scales, or a…

Q: axonomic characters of Jaguar include the following General External Morphology Special Structure…

A: Kingdom: AnimaliaPhylum: ChordataClass: MammaliaOrder: CarnivoraSuborder: FeliformiaFamily:…

Q: What are the characteristics of a female mud crab ( Scylla serrate) on its carapace?

A: Carapace is meant for the protection and it vary in size and is different in males amd female.it is…

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: Does this skull represent a member of the Order: Primates? What information supports your answer?…

A: Yes this skull is member of order : primates  Parapithecus grangeri  It was found in African…

Q: Select all the forms of locomotion that are dependent on pectoral fins to generate thrust. |…

A: Need to find which form of locomotion that are dependent on pectoral find to generate thrust.

Q: A. Which type of Armadillo belongs to the same phylum as Tityus? Give both the scientific name and…

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Q: What characteristics make a pig a chordate?

A: Chordate Chordates belong to the phylum Chordata. During some period of the life cycle of chordates,…

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: Which is more closely related to a human, an octopus or tunicate? Explain.

A: The relationship between phylogenetic distance and ecological similarity is key to understanding…

Q: Edmontosaur or hardosaurs what ways can they defend itself from predators like large with powerful…

A: INTRODUCTION Endmontosaurs They are large dinosaurs lived in North America during late Cretaceous…

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: Which of the following species described the shape of the animal? Saccoglossus kowalevskyi…

A: Introduction A species is usually defined because the largest group of organisms in which any two…

Q: What derived characters do sharks and tuna share? Whatfeatures distinguish tuna from sharks?

A: Pieces are true, jawed vertebrates with specific organs for respiration, excretion and blood…

Q: Why can the amphibiancirculation be classified asdouble and incomplete?

A: The system which is primarily meant for the circulation of substances through body fluids is…

Q: Table 7.1 Number of bones of the frog’s appendages     Forelimbs   Number of Bones per set…

A: There are total one hundred fifty nine bones in a frog. Both in upper limb and lower limb frog has…

Q: You are searching for hominin fossils in Africa and discover a skull with a sagittal keel, an…

A: Introduction : The fossil record of hominins includes all fossil taxa that are more closely related…

Q: Are the chelicerae of horseshoe crabs homologous or analogous to (1) scorpion pedipalps? (2)…

A: Horseshoe crabs are present in the cephalothorax region. It has walking legs which are the modified…

Q: Compare the features of the sea urchin and sea cucumber to each other and to the starfish. Do all…

A: Sea urchins are echinoderms that are typically spiny, globular animals, belonging to the class…

Q: Give the difference between frog and shark regarding the external characters?

A: The animals that bear notochord in any stage of their lifetime belong to chordates. Both frog and…

Q: What term should we use to describe the evolution of body types in the Anole lizards?

A: A change in the characteristics of species over several generations to adapt to environmental change…

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: A. and/or images provided by your instructor, identify the carapace, apron (abdomen), chela, walking…

A: The crabs are under phylum arthropoda that have paired joint appendages, have chitinous and…

Q: Now, assume that tuna and dolphins are sister species. Redraw the phylogenetic tree accordingly. Use…

A: Biologists demonstrate life’s diversity in the form of phylogenetic trees which is also known as…

Q: Based on the anatomy and biological design of Bulbasaur given in the illustration, will it survive…

A: It is assumed that some big meteorite crashed into Earth, changing the climatic conditions so…

Q: Why are higher forms of animals bilaterally symmetrical? Explain.

A: The animals are the multicellular, eukaryotic organisms in the biological kingdom.

Q: Which of the following structures are homologous in arthropods? 1st leg of horseshoe crab: 1st…

A: The arm of a human, the wing of a bird or a bat the leg of a dog and the flipper of a dolphin or…

Q: Indicate the number of carpal bones in the following animals. Enumerate the carpal bones present in…

A: Carpal Bones:  The eight tiny bones that make up the wrist (or carpus) that connects the hand to the…

Q: You discover a new species of animal that has hair and three inner ear bones. What class would you…

A: Answer E) Chordata B) Mammalia

Q: Have the head fold and tail fold fused to form the ammiotic cavity?

A: The longitudinal and transverse folding that happens as a result of embryonic expansion,…

Q: What are the characteristics of a female mud crab ( Scylla serrate) on its third maxillipeds?

A: Mouthparts consist of maxillae, mandibles,labium ,labrum and hypopharynx.there mouth is…

Q: J. Napolitano

A: Skull is the first and important structure that is used for identification of fossils. Detailed…

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: Examine the skulls at this station. a. Did this skull belong to a platyrrhine or to a catarrhine?…

A: The skeleton of the head is called the skull or bony cranium. Skull is divided into parts-…

Q: occipital bun -large cranial capacity -canine fossa -sagittal keeling -large arching browridges…

A: An occipital bun, also called occipital spurs, occipital knob, chignon hooks or inion hooks, is a…

Q: Spinosaurus was the largest carnivore

A: The animals can be classified based on their eating habit. The plant-eating animals are called…

Q: In a table, compare and contrast the generalized fish and generalized tetrapod skulls based on the…

A: The skull consists of Chondrocranium which is derived from neural crest cells and mesodermal…

Q: Which of the following are traits are observed in Homo erectus crania (select all that apply)? Group…

A: Homo erectus These are the extinct species of the archaic human. These species belong from the…

Q: What are the external characters of Labeo?

A: Labeo belongs to phylum chordata and sub-phylum vertebrata. It belongs to class teleostomi. Its…

Q: How is a penguin's body shape and morphology adapted for an aquatic habitat?

A: Penguins are a group of aquatic flightless birds. They live almost exclusively in the Southern…

Q: Give the digrammatic representation showing Brain of frog -Dorsal view?

A: The brain is considered as one of the largest and most complex organs present in the human body. It…

Q: Compared to the skulls of ancestral sarcopterygians and modern lungfish the skulls of Acanthostega…

A: The skull is a bone structure that forms the head in vertebrates.

Q: What type of body symmetry does this creature have?

A: The correct Answer is Option D . Bilateral Symmetry .

Q: Hypothetically, if large/medium sized whales had not evolved, how may this have impacted the…

A: * Megalodon is an extinct species of mackerel shark . *It was thought to be member of family…

Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.