{"id":4382,"date":"2023-02-05T06:35:37","date_gmt":"2023-02-05T06:35:37","guid":{"rendered":"https:\/\/9thclass.deltapublications.in\/?page_id=4382"},"modified":"2024-11-26T10:23:59","modified_gmt":"2024-11-26T10:23:59","slug":"s-21-d-classification-of-animals","status":"publish","type":"page","link":"https:\/\/9thclass.deltapublications.in\/index.php\/s-21-d-classification-of-animals\/","title":{"rendered":"S-21.d Classification Of Animals"},"content":{"rendered":"\n<p class=\"has-text-align-center has-text-color has-huge-font-size\" style=\"color:#00056d;text-transform:uppercase\"><strong>Classification Of Animals<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/image-18.png\" alt=\"\" class=\"wp-image-10460\" style=\"width:619px;height:auto\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/image-18.png 1000w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/image-18-300x200.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/10\/image-18-768x512.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"has-text-color has-huge-font-size\" style=\"color:#74008b\">key notes :<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Introduction<\/h2>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Classification is the process of organizing and categorizing living organisms into groups based on their shared characteristics.<\/li>\n\n\n\n<li>It helps us understand the diversity of life and makes it easier to study and identify different species.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Basis for Classification<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>Cell Structure<\/strong><\/h3>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Animals are classified based on whether they are unicellular (one cell) or multicellular (multiple cells).<\/li>\n\n\n\n<li>Multicellular animals are further divided into those with and without a backbone.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>Body Symmetry<\/strong><\/h3>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Animals can be categorized into three types of body symmetry: radial, bilateral, and asymmetrical.<\/li>\n\n\n\n<li>Radial symmetry is found in organisms like jellyfish, where body parts are arranged around a central point.<\/li>\n\n\n\n<li>Bilateral symmetry is seen in animals like humans, where the body can be divided into equal left and right halves.<\/li>\n\n\n\n<li>Asymmetrical animals have irregular body shapes.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>Body Organization<\/strong><\/h3>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Animals are classified as having two main types of body organization: acoelomates, pseudocoelomates, and coelomates.<\/li>\n\n\n\n<li>Acoelomates lack a body cavity, pseudocoelomates have a partial body cavity, and coelomates have a true body cavity.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>Presence of a Backbone<\/strong><\/h3>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>This is a crucial distinction. Animals are divided into two groups: invertebrates (no backbone) and vertebrates (have a backbone).<\/li>\n\n\n\n<li>Invertebrates include arthropods (e.g., insects), mollusks (e.g., snails), and more.<\/li>\n\n\n\n<li>Vertebrates include fish, amphibians, reptiles, birds, and mammals.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Major Phyla of Animals<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>Phylum Porifera (Sponges)<\/strong><\/h3>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Simple, filter-feeding animals with porous bodies.<\/li>\n\n\n\n<li>Lack true tissues and organs.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>Phylum Cnidaria (Corals, Jellyfish)<\/strong><\/h3>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Radially symmetric animals with tentacles armed with stinging cells.<\/li>\n\n\n\n<li>Examples include corals, jellyfish, and sea anemones.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>Phylum Platyhelminthes (Flatworms)<\/strong><\/h3>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Flat, unsegmented worms with bilateral symmetry.<\/li>\n\n\n\n<li>Includes tapeworms and flukes.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>Phylum Arthropoda (Insects, Crustaceans)<\/strong><\/h3>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>The largest phylum with jointed appendages and an exoskeleton.<\/li>\n\n\n\n<li>Includes insects, spiders, crustaceans, and more.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">5. <strong>Phylum Mollusca (Mollusks)<\/strong><\/h3>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Soft-bodied animals often protected by a shell.<\/li>\n\n\n\n<li>Includes snails, clams, and octopuses.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">6. <strong>Phylum Chordata (Chordates)<\/strong><\/h3>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Characterized by a notochord or backbone at some stage of development.<\/li>\n\n\n\n<li>Includes fish, amphibians, reptiles, birds, and mammals.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<ul class=\"has-large-font-size wp-block-list\">\n<li>Classification helps scientists organize the incredible diversity of animal life on Earth.<\/li>\n\n\n\n<li>It provides a systematic way to study and understand the relationships between different species.<\/li>\n\n\n\n<li>Remember that this classification system is constantly evolving as new scientific discoveries are made.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/82713\/744\/403\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-63.png\" alt=\"\" class=\"wp-image-6338\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-63.png 500w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-63-300x300.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-63-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/81569\/952\/601\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-62.png\" alt=\"\" class=\"wp-image-6340\" srcset=\"https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-62.png 500w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-62-300x300.png 300w, https:\/\/9thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-62-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Classification Of Animals key notes : Introduction Basis for Classification 1. Cell Structure 2. Body Symmetry 3. Body Organization 4. Presence of a Backbone Major Phyla of Animals 1. Phylum Porifera (Sponges) 2. Phylum Cnidaria (Corals, Jellyfish) 3. Phylum Platyhelminthes (Flatworms) 4. Phylum Arthropoda (Insects, Crustaceans) 5. Phylum Mollusca (Mollusks) 6. Phylum Chordata (Chordates) Conclusion<a class=\"more-link\" href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-21-d-classification-of-animals\/\">Continue reading <span class=\"screen-reader-text\">&#8220;S-21.d Classification Of Animals&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-4382","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/4382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=4382"}],"version-history":[{"count":14,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/4382\/revisions"}],"predecessor-version":[{"id":16173,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/4382\/revisions\/16173"}],"wp:attachment":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=4382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}