Animal Kingdom Quiz

The Animalia kingdom includes all the animals.

The name 'animalia' is derived from Latin, anima = breath or soul.

In Latin, 'anima' means breath or soul.

<p>Metazoa refers to multicellular animals, while Protozoa refers to one-celled animals.</p> Signup and view all the answers

<p>The term 'Metazoa' was used to broadly distinguish multicellular animals from one-celled animals, the Protozoa.</p> Signup and view all the answers

<p>In traditional two-kingdom systems, animals were broadly classified as Metazoa and Protozoa to distinguish between multicellular and one-celled animals.</p> Signup and view all the answers

<p>Protoctista</p> Signup and view all the answers

<p>The five kingdom classification system introduced by Robert Whittaker</p> Signup and view all the answers

<p>Robert Whittaker</p> Signup and view all the answers

<p>Multicellular, diploid eukaryotic, ingestive heterotrophs, develop from two dissimilar haploid gametes (egg and sperm)</p> Signup and view all the answers

<p>The Kingdom Animalia consists of multicellular, diploid eukaryotic organisms that are ingestive heterotrophs and develop from two dissimilar haploid gametes (egg and sperm)</p> Signup and view all the answers

<p>They develop from two dissimilar haploid gametes, a large egg and a smaller sperm</p> Signup and view all the answers

<p>The debated questions include which protoctists, when, and in what sort of environments animals evolved from.</p> Signup and view all the answers

<p>The general consensus among biologists is that animals evolved from protoctists.</p> Signup and view all the answers

<p>The questions of which protoctists, when, and in what sort of environments animals evolved from are still actively debated.</p> Signup and view all the answers

<p>microscopic organisms and protoctists</p> Signup and view all the answers

<p>whales and sea mammals</p> Signup and view all the answers

<p>Chordata</p> Signup and view all the answers

<p>Subkingdom Parazoa (phylum Porifera)</p> Signup and view all the answers

<p>Lack of tissues organised into organs, indeterminate shape, and asymmetrical</p> Signup and view all the answers

<p>Lack of tissues organised into organs, and indeterminate shape, and asymmetrical</p> Signup and view all the answers

<p>Animals in subkingdom Eumetazoa have tissues organized into organs and organ systems, and include radially symmetrical animals (grade Radiata) and bilaterally symmetrical animals (grade Bilateria).</p> Signup and view all the answers

<p>The sub kingdom Eumetazoa includes animals of other phyla with tissues organized into organs and organ systems, including radially symmetrical animals (grade Radiata) and bilaterally symmetrical animals (grade Bilateria).</p> Signup and view all the answers

<p>The sub kingdom Eumetazoa includes radially symmetrical animals (grade Radiata) and bilaterally symmetrical animals (grade Bilateria).</p> Signup and view all the answers

<p>Subkingdom Eumetazoa includes the simplest of the Eumetazoa and most of the phyla in the kingdom Animalia belong to this subkingdom. It categorizes animals based on the presence, absence, or type of body cavity found in them.</p> Signup and view all the answers

<p>Animals in subkingdom Eumetazoa are much simpler in their organization compared to animals belonging to other Eumetazoa.</p> Signup and view all the answers

<p>Animals in subkingdom Eumetazoa have been divided into three groups based on the presence, absence, or type of body cavity found in them.</p> Signup and view all the answers

<p>Animals in subkingdom Eumetazoa have been divided into acoelomates, pseudocoelomates, and coelomates based on the presence, absence, or type of body cavity found in them.</p> Signup and view all the answers

<p>Subkingdom Eumetazoa is significant in the animal kingdom as it includes a large number of phyla (about 29) and represents a diverse range of animal organisms with varying levels of complexity.</p> Signup and view all the answers

<p>Animals in subkingdom Eumetazoa are much simpler in their organization compared to the animals belonging to other Eumetazoa, such as the presence of simpler body plans and organization.</p> Signup and view all the answers

<p>The three groups are Acoelomata (lack a body cavity), Pseudocoelomata (have a false coelom, the pseudocoel), and Coelomata (have a true coelom).</p> Signup and view all the answers

<p>These groups help to categorize animals based on the presence, absence, or type of body cavity they possess, aiding in the understanding of their anatomical and evolutionary characteristics.</p> Signup and view all the answers

<p>Animals in subkingdom Eumetazoa are organized based on the presence, absence, or type of body cavity, while other Eumetazoa may be organized based on different criteria such as tissue organization or developmental patterns.</p> Signup and view all the answers

<p>Animals with radial symmetry and diploblastic organization.</p> Signup and view all the answers

<p>They are organized based on the presence, absence, or type of body cavity.</p> Signup and view all the answers

<p>It includes animals with radial symmetry and diploblastic organization, providing important insights into animal classification and evolution.</p> Signup and view all the answers

<p>Animals with radial symmetry and diploblastic nature are included in the group mentioned in the text.</p> Signup and view all the answers

<p>Animals with radial symmetry and diploblastic nature are included in the group mentioned in the text.</p> Signup and view all the answers

<p>The common feature of the animals in the group is radial symmetry and diploblastic nature.</p> Signup and view all the answers

<p>Radial symmetry is a condition in which any plane passing through the central axis divides the animal into mirror image halves. This characteristic is exhibited by animals in the group Cnidaria (Coelenterata).</p> Signup and view all the answers

<p>Radial symmetry and diploblastic nature are significant characteristics used to classify animals. These features help in organizing animals into different groups within the animal kingdom based on their body organization and developmental patterns.</p> Signup and view all the answers

<p>Animals with radial symmetry and diploblastic nature are organized into a distinct group within the subkingdom Eumetazoa. They are classified separately based on their unique body plan and developmental characteristics.</p> Signup and view all the answers

<p>Yes, the cylindrical body of a sea-anemone can be cut in two equal halves vertically in any plane.</p> Signup and view all the answers

<p>The cylindrical body of the sea-anemone allows it to be cut in two equal halves vertically in any plane.</p> Signup and view all the answers

<p>The ability of the sea-anemone's cylindrical body to be cut in two equal halves vertically in any plane is a unique feature that sets it apart from other organisms.</p> Signup and view all the answers

<p>Bilateral symmetry is when an animal's right side is approximately the same as its left side, and there is a distinct anterior end. An example of an animal with bilateral symmetry is a butterfly.</p> Signup and view all the answers

<p>An animal with bilateral symmetry can be divided into two equal parts by an imaginary line in only one plane.</p> Signup and view all the answers

<p>Bilateral symmetry is an important characteristic used to classify animals, as it helps to categorize them based on their body structure and organization.</p> Signup and view all the answers

<p>The defining characteristics of animals belonging to the subkingdom Eumetazoa include a clearly differentiated head at the anterior end, a distinct posterior end, and clearly defined dorsal and ventral surfaces.</p> Signup and view all the answers

<p>The animal phyla included in the grade with differentiated head, distinct posterior end, dorsal and ventral surfaces are Platyhelminthes, Nematoda, Annelida, Mollusca, Arthropoda, Echinodermata, Hemichordata, and Chordata.</p> Signup and view all the answers

<p>The presence of a clearly differentiated head and distinct posterior end in animals signifies their placement in the grade with advanced organization and complexity within the subkingdom Eumetazoa.</p> Signup and view all the answers

<p>The adult Echinoderms have secondarily developed radial symmetry due to their special mode of life.</p> Signup and view all the answers

<p>The animals belonging to phylum echinodermata initially develop bilateral symmetry, which later changes to radial symmetry in adult Echinoderms due to their special mode of life.</p> Signup and view all the answers

<p>The study of the structure of larvae reveals the development of bilateral symmetry in animals belonging to phylum echinodermata.</p> Signup and view all the answers

<p>acoelomate, pseudocoelomate, or coelomate</p> Signup and view all the answers

<p>triploblastic</p> Signup and view all the answers

<p>radial symmetry and diploblastic nature</p> Signup and view all the answers

<p>Animals included in grade Bilateria are triploblastic, meaning they have three germ layers: the ectoderm, mesoderm, and endoderm.</p> Signup and view all the answers

<p>The triploblastic nature of animals included in grade Bilateria allows for the development of more complex body structures and organ systems.</p> Signup and view all the answers

<p>The triploblastic nature of animals in grade Bilateria is significant in their classification as it represents an advanced stage of body organization and contributes to their evolutionary complexity.</p> Signup and view all the answers

<p>They are triploblastic</p> Signup and view all the answers

<p>Protozoa and Metazoa</p> Signup and view all the answers

<p>It assists in understanding their evolutionary history</p> Signup and view all the answers