{"id":3816,"date":"2024-03-05T15:56:27","date_gmt":"2024-03-05T15:56:27","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=3816"},"modified":"2024-03-05T15:56:27","modified_gmt":"2024-03-05T15:56:27","slug":"which-among-the-following-is-referred-as-a-living-fossil-2","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-is-referred-as-a-living-fossil-2\/","title":{"rendered":"Which among the following is referred as a &#8220;Living Fossil&#8221; ?"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a97ddffe7159\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    Balanas                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"false\">\r\n                    Daphnia                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Sarcoptes                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"true\">\r\n                    Limulus                  <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is (d) Limulus.<\/p>\n<p>A living fossil is a species that has <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> remained relatively unchanged for millions of years. Limulus is a horseshoe crab that has been around for over 450 million years. It is one of the few living members of the arthropod group Xiphosura, <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> which also includes extinct species such as the sea scorpions. Limulus is found in shallow coastal waters around the world. It is a filter feeder and eats small organisms such as plankton. Limulus is an important part of the marine ecosystem and is also used in medical research.<\/p>\n<p>Balanas is a barnacle that is found on the shells of whales and other marine animals. It has been around for about 150 million years. Daphnia is a small freshwater crustacean that is found in ponds and lakes. It has been around for about 50 million years. Sarcoptes is a mite that causes scabies. It has been around for about 10 million years.<\/p>\n<p>Limulus is the only living fossil that is a member of the arthropod group Xiphosura. The other options are not members of this group.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Join Our Telegram Channel Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which among the following is referred as a &quot;Living Fossil&quot; ?<\/title>\n<meta name=\"description\" content=\"A living fossil is a species that has remained relatively unchanged for millions of years. Limulus is a horseshoe crab that has been around for over 450 million years. It is one of the few living members of the arthropod group Xiphosura, which also includes extinct species such as the sea scorpions. Limulus is found in shallow coastal waters around the world. It is a filter feeder and eats small organisms such as plankton. Limulus is an important part of the marine ecosystem and is also used in medical research.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-is-referred-as-a-living-fossil-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which among the following is referred as a &quot;Living Fossil&quot; ?\" \/>\n<meta property=\"og:description\" content=\"A living fossil is a species that has remained relatively unchanged for millions of years. Limulus is a horseshoe crab that has been around for over 450 million years. It is one of the few living members of the arthropod group Xiphosura, which also includes extinct species such as the sea scorpions. 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Limulus is a horseshoe crab that has been around for over 450 million years. It is one of the few living members of the arthropod group Xiphosura, which also includes extinct species such as the sea scorpions. Limulus is found in shallow coastal waters around the world. It is a filter feeder and eats small organisms such as plankton. Limulus is an important part of the marine ecosystem and is also used in medical research.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-is-referred-as-a-living-fossil-2\/","og_locale":"en_US","og_type":"article","og_title":"Which among the following is referred as a \"Living Fossil\" ?","og_description":"A living fossil is a species that has remained relatively unchanged for millions of years. Limulus is a horseshoe crab that has been around for over 450 million years. It is one of the few living members of the arthropod group Xiphosura, which also includes extinct species such as the sea scorpions. Limulus is found in shallow coastal waters around the world. It is a filter feeder and eats small organisms such as plankton. Limulus is an important part of the marine ecosystem and is also used in medical research.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-is-referred-as-a-living-fossil-2\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-03-05T15:56:27+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-is-referred-as-a-living-fossil-2\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-among-the-following-is-referred-as-a-living-fossil-2\/","name":"Which among the following is referred as a \"Living Fossil\" ?","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-03-05T15:56:27+00:00","dateModified":"2024-03-05T15:56:27+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"A living fossil is a species that has remained relatively unchanged for millions of years. 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