{"id":247403,"date":"2025-07-07T17:05:13","date_gmt":"2025-07-07T17:05:13","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=247403"},"modified":"2025-07-07T17:34:12","modified_gmt":"2025-07-07T17:34:12","slug":"unlike-eutherians-both-monotremes-and-marsupials-lack-nipples-have-some-embryonic-development-outside-the-uterus-lay-eggs-and-are-found-in-australia-and-africa","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/07\/unlike-eutherians-both-monotremes-and-marsupials-lack-nipples-have-some-embryonic-development-outside-the-uterus-lay-eggs-and-are-found-in-australia-and-africa\/","title":{"rendered":"Unlike eutherians, both monotremes and marsupials lack nipples, have some embryonic development outside the uterus, lay eggs, and are found in Australia and Africa."},"content":{"rendered":"\n

Unlike eutherians, both monotremes and marsupials lack nipples, have some embryonic development outside the uterus, lay eggs, and are found in Australia and Africa.<\/p>\n\n\n\n

The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n

The statement is not entirely accurate. Here is the correct explanation:<\/p>\n\n\n\n

Monotremes<\/strong>: These are a group of egg-laying mammals that include the platypus and echidna. Monotremes do lay eggs<\/strong>, but unlike the statement, they do have nipples<\/strong>. Female monotremes secrete milk from mammary glands, and while they lack teats, the milk is absorbed through the skin. Monotremes are indeed found in Australia<\/strong> and New Guinea<\/strong>.<\/p>\n\n\n\n

Marsupials<\/strong>: Marsupials, such as kangaroos, koalas, and wombats, are mammals that give birth to live young<\/strong>, but these young are underdeveloped at birth and continue their development in a pouch. Marsupials do have nipples<\/strong> to nurse their young, contrary to the statement that they lack nipples. They are primarily found in Australia<\/strong>, but there are also marsupials in the Americas (like opossums).<\/p>\n\n\n\n

Eutherians (Placental Mammals)<\/strong>: Eutherians, or placental mammals, such as humans, dogs, and whales, give birth to more developed offspring<\/strong>, as they have a placenta that nourishes the fetus during development. They also have nipples<\/strong> for nursing their young. Eutherians are found worldwide.<\/p>\n\n\n\n

The statement suggests that monotremes and marsupials are similar in some aspects (like embryonic development outside the uterus), but it incorrectly lumps both of these groups together by saying they lack nipples and lay eggs. Monotremes<\/strong> lay eggs, but marsupials<\/strong> give birth to live young and have nipples for nursing.<\/p>\n\n\n\n

\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

Unlike eutherians, both monotremes and marsupials lack nipples, have some embryonic development outside the uterus, lay eggs, and are found in Australia and Africa. The Correct Answer and Explanation is: The statement is not entirely accurate. Here is the correct explanation: Monotremes: These are a group of egg-laying mammals that include the platypus and echidna. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-247403","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/247403","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=247403"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/247403\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=247403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=247403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=247403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}