{"id":28065,"date":"2024-11-18T07:51:36","date_gmt":"2024-11-18T02:21:36","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=28065"},"modified":"2025-10-06T12:59:40","modified_gmt":"2025-10-06T07:29:40","slug":"midnight-zone","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/midnight-zone\/","title":{"rendered":"What is Midnight Zone?"},"content":{"rendered":"<h2><strong>About Midnight Zone:<\/strong><\/h2>\n<ul>\n<li>The <strong>ocean water colum<\/strong>n is made up of <strong>five zones:<\/strong> the <strong>sunlight zone (epipelagic),<\/strong> the <strong>twilight zone (mesopelagic),<\/strong> the <strong>midnight zone (bathypelagic<\/strong>), the <strong>abyssal zone<\/strong> (<strong>abyssopelagic<\/strong>), and the <strong>hadal zone (trenches).<\/strong><\/li>\n<li>Sunlight is rapidly absorbed as it travels through water. Red, orange, and yellow are absorbed quickly, leaving water a brilliant blue, but even these wavelengths disappear as light travels deeper.<\/li>\n<li><strong>By about 1,000 meters<\/strong> (about 3,300 feet) depth, <strong>even the faintest light<\/strong> has been <strong>extinguished<\/strong>, <strong>leaving these deep ocean waters in perpetual darkness<\/strong>.\u00a0<\/li>\n<li>The <strong>resulting bathypelagic, or midnight, zone extends to about 4,000 meters<\/strong> (about 13,100 feet), which <strong>reaches the ocean floor in many places<\/strong>.<\/li>\n<li>The midnight zone is the <strong>single largest habitat on the planet<\/strong>, accounting for <strong>70% of all seawater.<\/strong><\/li>\n<li>In addition to the lack of light, the midnight zone is <strong>characterized by a steady temperature<\/strong> of around <strong>4\u00b0 Celsius<\/strong> (39\u00b0 Fahrenheit).\u00a0<\/li>\n<li><strong>Life<\/strong> that exists in this zone <strong>must be able to function in cold temperatures<\/strong> and withstand <strong>extreme hydrostatic pressure<\/strong>.<\/li>\n<li><strong>Pressure varies<\/strong> with depth, and in this zone, it ranges from 100 to 400 atmospheres.<\/li>\n<li><strong>Organisms<\/strong> here <strong>have special adaptations<\/strong> including <strong>well-developed visual systems<\/strong>, <strong>bioluminescence<\/strong> used both to lure prey and attract mates, and <strong>well-developed auditory systems<\/strong> that allow them to hear other animals moving nearby.<\/li>\n<\/ul>\n<p><strong>Key Facts about Bathydevius Caudactylus:<\/strong><\/p>\n<ul>\n<li>It is a <strong>new species of mollusk<\/strong> discovered within the <strong>ocean&#8217;s midnight zone<\/strong>.<\/li>\n<li>Although the <strong>apple-size species<\/strong> is classified as a sea slug, the marine animal is unlike any sea slug scientists have seen before.<\/li>\n<li>It is a <strong>swimming sea slug<\/strong> that <strong>glows with bioluminescence<\/strong> and has a <strong>body with a paddle-like tail <\/strong>and a large gelatinous hood, and it\u2019s the <strong>first sea slug found to live in the deep ocean.\u00a0<\/strong>\n<ul>\n<li>Typically, sea slugs live on the seafloor or in coastal environments like tide pools, while only a few are known to live in open water near the surface.<\/li>\n<\/ul>\n<\/li>\n<li>Bathydevius <strong>moves up and down<\/strong> the water column <strong>by flexing its body<\/strong> or drifting in the currents.<\/li>\n<li>It is <strong>hermaphrodite<\/strong>, which includes both male and female reproductive organs.\u00a0<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Q1<\/strong>: What is bioluminescence?<\/h3>\n<p>Bioluminescence is the production and emission of light by a living organism. Bioluminescent creatures are found throughout marine habitats, from the ocean surface to the deep seafloor.<\/p>\n<p><strong>News<\/strong>: <a href=\"https:\/\/www.ndtv.com\/world-news\/all-about-the-mystery-mollusk-discovered-in-the-ocean-s-midnight-zone-7007215\" target=\"_blank\" rel=\"nofollow noopener\">Apple-Sized &#8220;Mystery Mollusk&#8221; Discovered In Ocean&#8217;s Midnight Zone<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Midnight zone extends to about 4,000 meters (about 13,100 feet), which reaches the ocean floor in many places.<\/p>\n","protected":false},"author":5,"featured_media":28066,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-28065","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/28065","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=28065"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/28065\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/28066"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=28065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=28065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=28065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}