{"id":15173,"date":"2026-08-21T12:26:58","date_gmt":"2026-08-21T06:56:58","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=15173"},"modified":"2026-08-21T14:04:06","modified_gmt":"2026-08-21T08:34:06","slug":"sea-urchins","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/sea-urchins\/","title":{"rendered":"Sea Urchin"},"content":{"rendered":"<h2><b>Sea Urchin Latest News<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Researchers from IIT Mandi have developed a sea urchin inspired surface coating on 3D-printed bone implants capable of mechanically disrupting bacteria and accelerating integration of the implant with bones.\u00a0<\/span><\/p>\n<h2><b>About Sea Urchin<\/b><\/h2>\n<ul>\n<li><span style=\"font-weight: 400;\">It belongs to a group of <\/span><b>marine invertebrates called echinoderms<\/b><span style=\"font-weight: 400;\">, which means spiny-skinned animals.\u00a0<\/span><\/li>\n<li><span style=\"font-weight: 400;\">It includes other well-known marine creatures like <\/span><b>starfish and sea cucumbers.<\/b><\/li>\n<li><b>Habitat:<\/b><span style=\"font-weight: 400;\"> They can be found in various <\/span><b>marine environments, including rocky shores<\/b><span style=\"font-weight: 400;\">, coral reefs, seagrass beds, and sandy bottoms. They live on the ocean floor, usually on hard surfaces, and use tube feet or spines to move about.<\/span><\/li>\n<li><b>Appearance:<\/b><span style=\"font-weight: 400;\"> Sea urchins are characterized by their <\/span><b>spherical to somewhat flattened, spiny bodies.<\/b><\/li>\n<li aria-level=\"1\"><b>Features<\/b>\n<ul>\n<li><span style=\"font-weight: 400;\">They have a <\/span><b>globular body<\/b><span style=\"font-weight: 400;\"> and a radial arrangement of organs, shown by five bands of pores running from mouth to anus over the test (internal skeleton).<\/span><\/li>\n<li><span style=\"font-weight: 400;\">The <\/span><b>pores accommodate tube feet<\/b><span style=\"font-weight: 400;\">, which are slender, extensible, and often sucker-tipped.\u00a0<\/span><\/li>\n<li><span style=\"font-weight: 400;\">They have a <\/span><b>hard exoskeleton<\/b><span style=\"font-weight: 400;\">, or test, made up of interlocking plates or ossicles, which are often covered with movable spines.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">From nodules on the test arise long, movable spines and pedicellariae (pincerlike organs); these structures may have poison glands.<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Food Habit: <\/b><span style=\"font-weight: 400;\">They are herbivorous, primarily feeding on <\/span><b>algae and plant material.<\/b><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">They use their <\/span><b>specialized mouthparts, called Aristotle\u2019s lantern<\/b><span style=\"font-weight: 400;\">, to scrape algae and other food sources from rocks or the seafloor.<\/span><\/li>\n<\/ul>\n<p><b>Source:<\/b> <strong><a href=\"https:\/\/ddnews.gov.in\/en\/iit-mandi-develops-sea-urchin-inspired-coating-for-3d-printed-bone-implants\/\" target=\"_blank\" rel=\"nofollow noopener\">DD News<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sea Urchin belongs to a group of marine invertebrates called echinoderms, which means spiny-skinned animals. Read more about Sea Urchin, Habitat, Appearance, Latest News.<\/p>\n","protected":false},"author":5,"featured_media":120356,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[9689],"class_list":["post-15173","post","type-post","status-publish","format-standard","has-post-thumbnail","category-upsc-prelims-current-affairs","tag-sea-urchin","no-featured-image-padding"],"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/15173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=15173"}],"version-history":[{"count":4,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/15173\/revisions"}],"predecessor-version":[{"id":120326,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/15173\/revisions\/120326"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/120356"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=15173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=15173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=15173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}