Protochordates Protostomes Deuterostomes CHORDATES Tripartite coelom, larva Chordate ancestor | (Notochord, post-anal tail, dorsal hollow nerve cord) Deuterostome ancestor |(Gill slits) Bilateral ancestor (Dorsoventral axis, mesoderm, through gut, cephalization, hox domains in trunk, tinman hoart axSlonylotx maine in d) -Ecdysozoa FLophotrochazoa Echinoderms Hemichordates Urochordates Cephalochordates Vertebrates

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: Why the enteropneusta are not classified in chordates?

A: Enteropneusta belongs to phylum hemichordates. Few properties of hemichordates: They are…

Q: Compare and contrast the embryonic development of protostomes and deuterostomes

A: Metazoans are divided into protostomia and deuterostomia based on the development of the embryo.…

Q: What is the point of dividing the coelom into the thoracic and abdominal cavities? Why would a…

A: A body cavity is a fluid-filled space inside the body that protects internal organs and are…

Q: How is the mesoderm(third germ layer) oftriploblastic animals formed?

A: The germ layers develop early in embryonic life, through the process of gastrulation. Triploblastic…

Q: What are embryophtes?

A: Plants are mainly multicellular organisms, predominantly photosynthetic eukaryotes of the kingdom…

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: Identify the characteristics of protostome development: Select one or more: O spiral cleavage…

A: Protostomes are organisms which shows formation of mouth before formation of anus during embryonic…

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: During embryonic development, what features do we share with tunicates or lancelets?

A: In developmental biology, embryonic development, also known as embryogenesis, is the development of…

Q: List four differences between protostomes and deuterostomes.

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

Q: What is the major difference between the notochord and the neural tube?

A: The notochord is a cartilaginous, skeletal structure that supports the body's growth in all…

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: Define the concept of Invertebrate Deuterostomes ?

A: Invertebrates                     Invertebrates are defined as a group of animals that has no…

Q: Developmental patterns between protostomes and deuterostomes Developmental Pattern Protostomes…

A: The coelomates can be described as organisms that contain hollow space surrounded by the other…

Q: Comparing to cyclostomes (primitive vertebrates) what are the main novelties presented by fishes?

A: Cyclostomes belong to the superclass Cyclostomata that comprises jawless fishes such as hagfishes…

Q: Explain how each molluscan feature is modified, compared to gastropod and bivalve body plans. 1)…

A: Cephalopods, Gastropods and Bivalvia are all classes of Molluscs. They differ in their habitats. For…

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: name and describe the two main lineages within the protostome animals?

A: The kingdom Animalia breaks down into two subkingdoms, Parazoa and Eumetazoa. Parazoa includes…

Q: List the two major groups of animals in theDeuterostomia.

A: Deuterostomia are organism in which development of anus takes place first from the dorsal blastopore…

Q: About how big are gastrotrichs, gnathostomulids, and micrognathozoans?

A: Gastrotrichs, gnathostomulids, and micrognathozoans are three groups of worm-like animals that are…

Q: Comparision between coleoptile and coleorhiza?

A: Plants are autotrophs. They are called so because they are not dependent on other organisms and can…

Q: Describe key adaptations of aquatic gnathostomes

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

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: Protostomes and deuterostomes typically differ in

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

Q: What is the role of gnathostomata in vertebrates?

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

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: having a post-anal tail and gill slits are traits of all embryos belonging to which phylum?

A: Pharyngeal slits are openings in the pharynx that develop into gill arches in the bony fish and into…

Q: Describe embryonic gastrulation in protostomes vs. Deuterostomes

A: Protostomes:  The clade of animals originally thought to be characterised by the formation of the…

Q: In protostomes and deuterostomes, the space between the endoderm and the ectoderm is important…

A: The space between the endoderm and the ectoderm is important in the evolution of protostomes and…

Q: Define notochord

A: Embryogenesis refers to the development and formation of an embryo. It is characterized by the…

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.