Concerning germ layers and the presence of coelom how are arthropods characterized?

Q: Explain the difference between a Coelom and a pseudocoelom.

A: Introduction :- Animals are divided into different phylums , classess and families , on the basis of…

Q: Which are the germ layers present in cnidarians? Which tissues of the animal do they originate?

A: Cnidarians, also known as coelenterates are mostly marine organisms and includes corals, hydras, and…

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: What are placental mammal ? Explain the role of  placental mammal ?

A: Placental mammals are a diverse group, with nearly 4000 species described, the majority of which are…

Q: a) Describe how coelom-status impacts the process of organogenesis. b) How do organs develop and…

A: During gastrulation, three germ layers develop, namely. ectoderm, endoderm, and mesoderm.…

Q: How is a hemocoel different from a true coelom?

A: Organisms with three primary germ layers are called triploblastic while the ones with only two…

Q: In the deuterostomes the digestive tract (Gut) forms from the cells of the a) ectoderm b) nerve…

A: Deuterostome are type of division of animals in which blastula of developing embryo becomes anus…

Q: The first coelomate animals are the (Nematoda/Platyhelminthes/Mollusca/Arthropoda)?

A: coelomates or eucoelomates are the organisms that possess true coelom. The true coelom is considered…

Q: How can the features of the arthropod exoskeleton explain the terrestrial adaptation of some species…

A: The phylum Arthropoda is characterized by the presence of jointed legs, a segmented body, and an…

Q: What is the difference between schizocoelous and enterocoelous origins of a coelom?

A: A coelom is defined as a body cavity that is surrounded completely by mesoderm. The mesoderm's band…

Q: What is a nauplius? What is the difference between direct and indirect development in Crustacea?

A: The ear is divided into the inner ear, middle ear or ear canal and the inner ear. The outer ear…

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: In whose phylum veliger larva occurs?

A: A larva is a juvenile form of animal with indirect development that looks completely different from…

Q: How do reptile eggs differ from amphibian eggs? Why is this important?

A: The egg is the female reproductive unit and it is produced by the oogenesis process. It is haploid…

Q: Does coelom present in bilateria?

A: A celom is the hallow cavity which is filled with celomic fluid present between the intestinal canal…

Q: How does a molluscan coelom develop embryologically? Why was the evolutionary development of a…

A: Molluscs area unit found it nice ranges of habitats, from the tropics to the polar seas, at…

Q: How do the positions of the archegonium and antheridium relate to their reproductive function?

A: In the plant, anatomy archegonium can be described as a flask-shaped multicellular female structure…

Q: Explain the Type of protostome that produces atrochophore larva ?

A: Larvae are seen across the animal kingdom and are a specific juvenile form before they metamorphose…

Q: What are some adaptive advantages of a pseudocoel compared to the acoelomate condition?

A: In animals the body cavity (coelom) is the area or free space that contains all the organs suspended…

Q: Explain syncytial blastoderm?

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

Q: What is the difference between atrium and coelom?

A: Cell organelles are structures within a cell that perform specific functions like controlling cell…

Q: Nematodes and arthropods both (develop an anus from the blastopore formed during…

A: Nematode and arthropods fall under one same ancestor clade i.e. Ecdysozoa.  Nematodes are roundworms…

Q: How does ant form its coelom?

A: Ants are insects that belong to the family Formicidae. It comes under the order Hymenoptera that…

Q: Differentiate Protostomes from Deuterostomes in terms of the formation of germ layers

A: Developmental biology describes how interacting mechanisms generate an organism's various size,…

Q: Explain how an earthworm demonstrates cephalization

A: CEPHALIZATION It is an evolutionary trend in which the mouth, sense organs, and nerve ganglia become…

Q: How does segmentation and having a fluid-filled body cavity confer certain advantages to annelids…

A: Segmentation in annelids is highly adaptive. Annelid body is made of repeating units or segments…

Q: Protostomes and deuterostomes typically differ in

A: Protostomes are clade of animals containing phyla including the arthropods,annelids and…

Q: The phylum Nematoda is protostome or Deuterostome ?

A: Phylum Nematode commonly referred to as roundworms or thread worms are aquatic or terrestrial,…

Q: What is the role of gnathostomata in vertebrates?

A: Phylum Chordates are characterized by the presence of four diagnostic characters notochord, dorsal…

Q: Define the features of segmentation and coelom?

A: The animals have adapted various features for their survival, out of which some has passed on to the…

Q: Differentiate Protostomes from Deuterostomes in terms of germ layer formation

A: The most significant difference between protostomes and deuterostomes arises due to the…

Q: Differentiate Protostomes from Deuterostomes in terms of the formation of cleavage

A:

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: What are the animal poleand the vegetal pole of thevertebrate egg?

A: An embryo possess some polarity, according to which an embryo is divided into two hemispheres or…

Q: Compare the role of notochord in the early development of vertebrates and invertebrates.

A: introduction Animals lacking a skeletal system are known as invertebrates. As a result, the majority…

Q: How useful is the study of the nature of body cavity and coelom in theclassification of animals?

A: Animal classification is a system of grouping animals by their similar characteristics. It is also…

Q: describe the advantage that cleidoic egg gave to terrestrial organisms

A: At the same time as repltiles are the first to have residing eggs on the earth, birds have an…

Q: Compare Schizocoelom with enterocoelom based on coelom formation

A: The coelom is the main body cavity found in most animals, it is located in the body to envelop and…

Q: Which earthworms have a clitellum?a). adultsb). juvenilesc). juvenile femalesd). malese). adult…

A: Annelids are included under the sub kingdom eumetazoa and is characterized by bilateral symmetry and…

Q: What habitat is shared by micrognathozoans and gnathostomulids?

A: Members of two of the bilaterally symmetrical triploblastic phyla have acoelomate bodies. A coelom…

Q: Sponges exhibit indirect development.

A: Answer: Fertilization is the process takes place internally or externally between male gamete or…

Q: What is the coelom? Towhich structures do coelomsgive birth? Are all animalscoelomate?

A: The alimentary canal or the gut is the long and coiled tube that extends from mouth to anus. It…

Q: Coelom formation in Deuterostomes is ____________ whereas in Protostomes is _____________.

A: Metazoans are classified into deuterostomes and protostomes due to their different embryonic…

Q: What was the evolutionary significance of segmentation and the coelom to its earliest…

A: The coelom is defined as the main body cavity present in animals and thus, it is positioned inside…

Q: Is the embryonic development in earthworms direct or indirect?

A: The earthworm is a hermaphrodite organism in which both male and female reproductive organs are…

Q: Descibe the role of agnatha in vertebrates?

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