Mention the function of the concha in the lizard's nasal chamber?

Q: name and describe the craniates that are not vertebrates?

A: Vertebrates are known as craniates because of the presence of a skull or cranium. Craniata includes…

Q: Give the resemblances between the lancelet and the lamprey's larva?

A: The lancelet belongs to the kingdom Animalia and characterized as "fish-like" benthic filter-feeding…

Q: Bring out the differences between a cephalochordate and an agnathan regarding circulatory system?

A: The cephalochordate is an animal in Cephalochordata subphylum. These are segmented marine organisms…

Q: Give the names of the three divisions of cloaca in sand lizard in order beginning from anterior end?

A: Cloaca is the common chamber and outlet that opens into the exterior. It is present in amphibians,…

Q: Define the Chordate characteristics ?

A: The chordates belong to the Chordata phylum of the animal kingdom. The name Chordata comes from…

Q: Give a short note on Snout-Producing organ?

A: The olfactory system is a sensory system that is used for olfaction. It is one of the special senses…

Q: How is the large size of some cephalopods related to the type of circulatory system they present?

A: Mollusca is the largest marine phylum of the animal kingdom that is characterized by a mantle with a…

Q: Define the characteristic of a chordate ?

A: Kingdom Animalia contains all animals. It is the largest kingdom of Animalia as compared to other…

Q: Do amphibians have amniotic eggs?

A: No amphibians does not have amniotic eggs.

Q: Contrast the skeleton of an echinoderm with that of an arthropod.

A: The kingdom “Animalia” has several phyla (taxonomic rank: phylum). The organisms of this kingdom are…

Q: Discuss the adaptations of pigeon?

A: Pigeon is a bird which belongs to columbiformes. It is mostly domesticated in houses as pets and…

Q: What are four distinguishing characteristics of chordates?

A: The four qualities of chordates are a notochord, dorsal, pharyngeal cuts (or pockets), and postanal…

Q: Give an account of the bones of the fore-or hindlimb of frog and explain how they are related to the…

A: The skeleton is the framework of the animal body and on the basis of it, two different divisions of…

Q: Explain how the hydrostatic skeleton of annelids helps them to burrow.

A: In annelid worms, there are two internal hollow body cavities, known as coelom The coelom is…

Q: Which chordates are craniates, and which of those are alsovertebrates?

A: Craniates are a group of chordates that possess a craniate skull made up of hard bone. All craniates…

Q: Bivalves lack a mantle (True/False)?

A: The name bivalve refers to the limy shell. They are composed of two pieces or valves, right and left…

Q: Describe the characteristics of the chordates

A: Chordate is a phylum in animal kingdom which includes Urochordata, Cephalochordata and Vertebrata.

Q: Which amniotes are endothermic? What are some advantages of endothermy?

A: An organism alludes to something living that has a coordinated design, can respond to boosts,…

Q: Do echinoderms present with cephalization?

A: Cephalization is the formation of a central nervous system in organisms. Cephalization is important…

Q: Give the structure of a reptilian claw?

A: Class Reptilia includes the creeping- burrowing cold-blooded vertebrates bearing epidermal scales…

Q: Explain syncytial blastoderm?

A: In most of the insects, superficial cleavage occurs in which the mitosis occurs without cytokinesis,…

Q: Describe the structure of the pectoral girdle and the stemum of frog?

A: Frogs are the amphibians and can live on both lands and in water.

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: Concerning the occurrence of separated sexes how are the beings of the phylum Annelida classified?

A: All the animal species on Earth are classified into different phyla or groups. The phylum Annelida…

Q: What is the role of blood sinuses in the cockroaches?

A: Introduction  All aerobic organism need oxygen to survive. This oxygen can be taken either by skin…

Q: Define paired pharyngeal gill slits?

A: The chordates are the members of phylum Chordata. They include humans and various other vertebrates.…

Q: Do amphibians have directdevelopment?

A: Development process involves the growth of a multicellular organism and also increases the…

Q: Describe the coelom of a bony fish?

A: Coelom is a fluid-filled body cavity found in metazoans between the body wall and gut wall. It…

Q: Do sharks have a cecum?

A: In general, the cecum is part of the large intestine in mammals which is present at the junction of…

Q: list the functiond of the mandibles, maxillae, and maxillipeds in crayfish

A:

Q: Which is the chordate classconsidered an evidence of thetransition of the vertebratesfrom the…

A: Evolution is a process of the change in the characteristics of a species over several generations…

Q: Functions of the frog's body structures?

A: Solution -    Sturctural functions of frog's body- Introduction -a frog  undergoes complete…

Q: Give differences between the lancelet and lamprey regarding gill slits?

A: Lancelets commonly called amphioxus are marine living, small, eel like animals that belong to 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: Do frogs have a cecum?

A: Biology is a branch of science that studies about the living organisms. The biology studies about…

Q: Describe the phases of embryonic development in a  chordate. Recognize the difference between a…

A: Gastrulation is the process during which three cell layers develop in the embryo: these three germ…

Q: In what ways are a bird’s ears and eyes specialized for the demands of flight?

A: Birds:        These are warm-blooded vertebrates. They belong to the kingdom Animalia and phylum…

Q: Give the main differences between the shark and the frog regarding respiratory system?

A: BASIC INFORMATION  SHARK  They comes under the category of cartilaginous fish that is class…

Q: How many gill slits are present in Scoliodon?

A: Scoliodon or shark belongs to class Chondrichthyes.  Their skeletons made up of cartilage rather…

Q: What is the role of head sinuses in the cockroaches?

A: Periplaneta americana (cockroach) are invertebrates that belong to the phylum Arthropoda. They have…

Q: What are the characteristic features of the chordates?

A: A phylum is a taxonomic classification that comes after domain and kingdom in the classification…

Q: Discuss the adaptations of Labeo?

A: Fishes are gill-bearing aquatic vertebrate animals. The earliest organisms that can be first…

Q: Describe comparision of chordates and non chordates with examples?

A: The Chordata is a phylum of kingdom animalia. The member of this phylum is called chordates. The…

Q: Descibe the role of agnatha in vertebrates?

A: Introduction  Agnathan belongs to the superclass of vertebrates and comes under Phylum Chordata.…

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.