{"id":291,"date":"2023-06-11T21:59:57","date_gmt":"2023-06-11T16:29:57","guid":{"rendered":"https:\/\/lotusarise.com\/qna\/?p=291"},"modified":"2024-04-03T07:18:06","modified_gmt":"2024-04-03T01:48:06","slug":"q-consider-the-following-kinds-of-organisms","status":"publish","type":"post","link":"https:\/\/lotusarise.com\/qna\/upsc\/q-consider-the-following-kinds-of-organisms","title":{"rendered":"Q.\u00a0 Consider the following kinds of organisms:\u00a0"},"content":{"rendered":"\n<ol class=\"wp-block-list\">\n<li>Copepods<\/li>\n\n\n\n<li>Cyanobacteria&nbsp;<\/li>\n\n\n\n<li>Diatoms<\/li>\n\n\n\n<li>Foraminifera<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Which of the above are primary producers in the food chains of oceans?<\/strong><\/p>\n\n\n\n<ul class=\"mcq wp-block-list\">\n<li>1 and 2\u00a0<\/li>\n\n\n\n<li>2 and 3\u00a0<\/li>\n\n\n\n<li>3 and 4\u00a0<\/li>\n\n\n\n<li>1 and 4\u00a0<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Answer: b) 2 and 3&nbsp;<\/strong><\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">Notes:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Primary producers<\/strong>\u202fare the organisms who\u00a0<strong>synthesis their own food using photosynthesis or chemosynthesis<\/strong>.\n<ul class=\"wp-block-list\">\n<li><strong>Bacteria, Phytoplankton and algae form the bases of aquatic food webs.<\/strong>\n<ul class=\"wp-block-list\">\n<li>They are eaten by primary consumers like zooplankton, small fish, and crustaceans.<\/li>\n\n\n\n<li>Primary consumers are in turn eaten by fish, small sharks, corals, and baleen whales.<\/li>\n\n\n\n<li>Top ocean predators include large sharks, billfish, dolphins, toothed whales, and large seals.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Consumers<\/strong>\n<ul class=\"wp-block-list\">\n<li>Some&nbsp;<strong>zooplankton including copepods, rotifers, and larval stages of some fish and invertebrates are grazers and drift through the water grazing on phytoplankton.<\/strong><\/li>\n\n\n\n<li>Larger animals, including some marine snails, fish, reptiles, and mammals, graze on algae.<\/li>\n\n\n\n<li>Filter feeders strain their food (plankton and detritus) directly from the water.&nbsp;<strong>Filter feeding animals include animals like bivalves, tube worms, sponges, and even large animals like baleen whales and manta rays.<\/strong><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Copepods\u202f<\/strong>are a group of&nbsp;<strong>small\u202fcrustaceans\u202f<\/strong>found in nearly every\u202ffreshwater\u202fand saltwater\u202fhabitat. They are major&nbsp;<strong>primary consumers&nbsp;in the World Ocean<\/strong>.&nbsp;Copepods are generally herbivores, feeding only on plant plankton which they filter from the water.&nbsp;<\/li>\n\n\n\n<li><strong>Cyanobacteria<\/strong>, also called\u202f<strong>blue-green algae<\/strong>, are microscopic organisms found naturally in all types of water. These organisms&nbsp;are primary producers who&nbsp;<strong>use sunlight to make their own food.<\/strong>&nbsp;<\/li>\n\n\n\n<li><strong>Diatoms&nbsp;<\/strong>are&nbsp;<strong>photosynthesising algae.<\/strong>&nbsp;They are found in almost every aquatic environment including fresh and marine waters.&nbsp;They are primary producer&nbsp;in oceanic food chain.&nbsp;<\/li>\n\n\n\n<li><strong>Foraminifera are single-celled organisms&nbsp;<\/strong>that are found in most marine environments.&nbsp;They are characterized by streaming granular ectoplasm for catching food<strong>.<\/strong>&nbsp;Foraminifera are&nbsp;<strong>heterotrophic organisms<\/strong>&nbsp;which consumes smaller organisms and organic matter.&nbsp;<\/li>\n<\/ul>\n\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-_77bf98-03 .kt-block-spacer{height:40px;}.wp-block-kadence-spacer.kt-block-spacer-_77bf98-03 .kt-divider{border-top-width:2px;border-top-color:#eee;width:100%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-_77bf98-03\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\"\/><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Which of the above are primary producers in the food chains of oceans? Answer: b) 2 and 3&nbsp; Notes:<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[1,3],"tags":[36],"years":[52],"class_list":["post-291","post","type-post","status-publish","format-standard","hentry","category-upsc","category-prelims","tag-environment","years-52"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"UPSC"},{"value":3,"label":"Prelims"}],"post_tag":[{"value":36,"label":"Environment"}],"years":[{"value":52,"label":"2021"}]},"featured_image_src_large":false,"author_info":{"display_name":"LotusArise","author_link":"https:\/\/lotusarise.com\/qna\/author\/team-lotusarise"},"comment_info":0,"category_info":[{"term_id":1,"name":"UPSC","slug":"upsc","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":1269,"filter":"raw","cat_ID":1,"category_count":1269,"category_description":"","cat_name":"UPSC","category_nicename":"upsc","category_parent":0},{"term_id":3,"name":"Prelims","slug":"prelims","term_group":0,"term_taxonomy_id":3,"taxonomy":"category","description":"","parent":1,"count":1251,"filter":"raw","cat_ID":3,"category_count":1251,"category_description":"","cat_name":"Prelims","category_nicename":"prelims","category_parent":1}],"tag_info":[{"term_id":36,"name":"Environment","slug":"environment","term_group":0,"term_taxonomy_id":36,"taxonomy":"post_tag","description":"","parent":0,"count":193,"filter":"raw"}],"_links":{"self":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/comments?post=291"}],"version-history":[{"count":1,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/291\/revisions"}],"predecessor-version":[{"id":387,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/posts\/291\/revisions\/387"}],"wp:attachment":[{"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/media?parent=291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/categories?post=291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/tags?post=291"},{"taxonomy":"years","embeddable":true,"href":"https:\/\/lotusarise.com\/qna\/wp-json\/wp\/v2\/years?post=291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}