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

Q: Which of these does not pertain to a protostome?a. spiral cleavageb. blastopore is associated with…

A: In the animal kingdom, after the fusion of male and female gamete, a diploid zygote is formed. This…

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: Unlike other coelomate animal phyla, mollusks lacka. segmentation.b. cephalization.c. three primary…

A: Coelomate animals are those that contain a body cavity enclosing coelom with a complete lining…

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: 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: The shells of molluscs have 3 layers. Which is not one (nacreous/mantle/periostracum)?

A: All animals are classified according to their presence of characteristics such as characters,…

Q: What shared characteristic supports the surprisingly close relationshipbetween echinoderms and…

A: BASIC INFORMATION  EVOLUTION The theory of evolution was first given by the Jean Baptist de Lamark.…

Q: A coelom (Gr. koilos, cavity) is a body cavity completely surrounded by mesoderm; the band of…

A: Deutrosomes in the greek mean second mouth. It makes a nephrozoa clade with protostomia clade. They…

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: Vhich of the following DA All Mollusks have radulae. B Some mollusks, but not all, have a variation…

A: Phylum can be defined as the level of classification or belongs to a taxonomic group below the…

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: In which of the three major mollusk groups is each of thefollowing characteristics found?a. two…

A: Step 1 Hello. Since you have posted a question with multiple sub-parts, we will solve the first…

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: Why can the allantois beconsidered an adaptation toterrestrial life?

A: Allantois is an extra-embryonic membrane that develops between the other two extra embryonic…

Q: What are the amphibianfeatures that make themdependent on water tosurvive?

A: Amphibians are cold blooded organisms which live both in water and on land. The living amphibians…

Q: An animal cannot be acoelomate if it is also triploblastic (True/False)?

A: An acoelomate is an animal which lacks a coelom, or formal body cavity. True body cavities form only…

Q: Describe the discoveries of living coelacanths. What is the evolution-ary significance of the group…

A: Evolution is a natural process that includes several changes over many generations in the…

Q: Distinguish between (a) radial and bilateral symmetry; (b) blastula andgastrula; (c) direct and…

A: (a) radial and bilateral symmetry -  Bilateral symmetry is where the left and the right sides of the…

Q: What feature unifies all the classes of annelids Select one: Oa Parapodia Ob. Choanocytes Oc.…

A: The phylum Annelida consists of mainly segmented worms. They have a true coelom, are bilaterally…

Q: Characteristics of mollusc are O A. Mantle B. Mantle cavity O C. All of these O D. Coelom E. Radula

A: Cells are the basic unit of life. Living organisms could either be unicellular or multicellular.…

Q: completely wraps the cavity is called: a) coelom b) pseudocoelom c) acoelom d) Archenteron e)…

A: 5th answer is b

Q: The coelom of an earthworm, the muscular foot of a clam, andthe trunk of an elephant can all be…

A: There are three types of skeletons present in animal kingdom. These include; Endoskeleton which is…

Q: What are the segmentsthat form the body of thetapeworm called? What istheir function?

A: Tapeworms are parasites that survive within another organism, known as the host. Drinking…

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: Why is the presence of a coelom advantageous? O it allows room for the development and movement of…

A: The coelom is lined by a muscular tissue called the peritoneum that encloses the internal organs.…

Q: The pericardial cavity forms froma. evagination of the early digestive tract.b. the neural tube.c.…

A: The pericardial cavity has a small amount of serous fluid that helps to reduce lubrication and…

Q: What are coelomocyte, identify their location and enumerate their functions?

A: Coelomocytes as the name suggests are the phagocytic leukocyte cells that are present in the coelom…

Q: Aquatic molluscs have a blood vascular system & metanephridia so they must also possess a…

A: The Mollusca Phylum has over 160,000 species, 90,000 of which are still alive. Some shells were…

Q: All acoelomate bilateral animals have protonephridia. O True O False

A: acoelomates are bilateral animal that does not exhibit a body cavity. They are very primitive in…

Q: Which is not a feature of the Arthropoda? O most diverse lineage on the planet O compound eyes but…

A: An arthropod is an invertebrate animal having an exoskeleton, a segmented body, and paired jointed…

Q: Why are the Cnidaria neither protostomes nor deuterostomes? O they don't have body cavities O they…

A: All Cnidaria are : aquatic mostly marine. They all have tentacles with stinging cells called…

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: 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: The arthropod pericardium is a coelom. O True O False

A: Arthropod are invertebrate animals equipped with jointed appendages. In the year 1845 , Von Siebold…

Q: Explain how protostomes are distinguished from deuterostomes.

A: Organisms based on their embryonic development can be classified into Protostomes and deuterostomes.…

Q: How do the eggs ovulated into the abdominal cavity find their way out of the frog’s body?

A: To understand the path of the egg we need to understand that frogs lay eggs. This process usually…

Q: If an animal has coelom, you also would expect it to exhibit: cephalization bilateral symmetry a…

A: The coelom is the fundamental body cavity in many animals and is situated inside the body to…

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: uterostome development? elect one: O A. The mouth develops from the blastopore O B. Solid masses of…

A: Protostomes and deuterostomes are the two major divisions of animals. The fundamental distinction…

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: Why is the internal shell of Cephalopods significant to their adaptation?

A: Cephalopods have huge, advanced brains, and their brain-to-weight proportion is the biggest among…

Q: Triploblastic animals that lacks a through-gut and coelom

A: Triploblastic organisms are the ones that are developed from three germ layers. These layers are…

Q: A true coelomn is completely lined with

A: Answer: Coelom : It is the cavity like structure found in the mammals which lies between the body…

Q: How different are reptilesand birds concerning themaintenance of bodytemperature? Are birds rare…

A: Birds belongs to the class Aves, phylum Chordata. The birds are the warm-blooded vertebrates…