Q: Why was the evolution of a coelom important?
A: Coelom is a fluid filled body cavity which is present between Alimentary Canal and Body Wall.
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: What are the types of reproduction presented by cnidarians?
A: Cniderians: Cniderians comes under phylum anemalia, which contains both marine and fresh water…
Q: How are freshwater oligochaetes generally different from earthworms?
A: All animals are classified according to their presence of characteristics such as characters,…
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: What are the characteristics of protozoans that make them resemble animals?
A: Protozoa are unicellular eukaryotic organisms. They are classified in the Protista kingdom along…
Q: List four characteristics of teleosts that contributed to their incredible diversity and abundance
A: Teleosts belong to the class neopterygians. They include modern bony fish, which represent nearly…
Q: How are insects distinguished from other hexapods?
A: Arthropods are the invertebrates that form one of the largest groups of phylum in the animal…
Q: In what ciliates is different from all other protozoans?
A: Protozoans are single-celled eukaryotic organisms. They may exist in a free-living form or many…
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: How is arthropod reproduction characterized?
A: Arthropoda is the largest phylum of Animalia. Defined by segmented body and paired jointed…
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: What characteristic is common to the flatworms, molluscs, and annelids? a. All have bilateral…
A: Organisms with a single plane of symmetry are called bilaterally symmetrical. Organisms which lack a…
Q: You find a polychaete in the lower Chesapeake Bay and discover that its coelom is unpartitioned. You…
A: Introduction Polychaeta, Often Known As Bristle Worms Or Polychaetes, Is A Paraphyletic Class Of…
Q: Difference between pseudocelomates and acoelomates?
A: Coelom is the chief body cavity of animals. It is present inside the body to surround and contain…
Q: In which organism is Archaegoniophore present?
A: Marchantia belongs to the family Marchantiaceae of the order Marchantiales. It is a group of…
Q: Please define and explain: Coelomates Acoelomates Pseudocoelomates
A: Coelom is an empty space exhibited just in between wall of Alimentary canal and wall of body .…
Q: What are zoospores?
A: Motile spore that is asexual and uses its flagella for its locomotion is known as zoospores.Zoospore…
Q: completely wraps the cavity is called: a) coelom b) pseudocoelom c) acoelom d) Archenteron e)…
A: 5th answer is b
Q: Which myriapods occur in moist soil or leaf litter?
A: Myriapoda belongs to the subphylum of the arthropod. The myriapod is terrestrial primarily and…
Q: Do sponges appear to have any organs or organ systems?
A: Answer- Sponges are the most primitive type of animal in the whole kingdom.
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: Echinodermata is the first phylum you have examined whose members possess true endoskeletons. What…
A: Echinodermata are called after their spiny skin, and so this phylum has over 7,000 recognized living…
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: 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: Cnidarians are...
A: Ans. Cnidarians are diploblastic. Option 2nd diploblastic is correct
Q: Why is bilateral symmetry of adaptive value for actively motile animals?
A: Bilateral symmetry is a pattern of symmetry where the opposite sides are normal or one side is…
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: 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: What features distinguish the amoebozoa from the rhizarians?
A: Protists are the unicellular organisms that are eukaryotes.
Q: How are the three main arthropod classes characterized according to the presence of antennae?
A: Invertebrates are animals that neither possess nor develop a vertebral column (commonly known as…
Q: What appendages characterize chelicerates?
A: Consisting around 9 lakh species, Arthropoda is the biggest phylum in anima kingdom. Common examples…
Q: How does the excretory system of nematodes work?
A: Nematodes are the members of group eumetazoans characterized by bilateral symmetry and three germ…
Q: Concerning germ layers and the presence of coelom how are arthropods characterized?
A: Arthropods belong to kingdom Animalia and phylum Euarthropoda. Artho means joint and pous mean…
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: 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 are benthoic animals?
A: The animals are eukaryotic and multicellular organisms.
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: Do Cnidarians have a simple or complex body plan?
A: Cnidarians:These are the animals of phylum cnidaria. These are carnivores. These animals have the…
Q: Compared to platyhelminthes which physiological problem have the cylindrical body of nematodes…
A: Platyhelminthes are flat worms that are unsegmented, acoelomates and have bilateral symmetry. They…
Q: Considering the presence of segmentation (metameres) in their body to which other already studied…
A: Arthropod are the invertebrate organisms and have segmented body, exoskeleton, and jointed paired…
Q: What is the number of shells each organism has (Cephalopoda Scaphopoda)?
A: Shell or seashell is a hard protective layer formed by an animal that lives in the sea. Shell is…
How is a hemocoel different from a true coelom?
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