{"id":81,"date":"2022-04-05T07:00:16","date_gmt":"2022-04-04T22:00:16","guid":{"rendered":"http:\/\/www.readoasis.com\/archives\/81"},"modified":"2026-01-23T16:52:02","modified_gmt":"2026-01-23T07:52:02","slug":"evolution-by-natural-selection","status":"publish","type":"post","link":"https:\/\/readoasis.com\/es\/archives\/81","title":{"rendered":"Evolution by Natural Selection"},"content":{"rendered":"<div class=\"mp_wrapper\">\n  <div class=\"mepr-unauthorized-excerpt\">\n    <p>ReadOasis Step 3<\/p>\n<p>Creative Commons photo by Oakley Originals<\/p>\n<p>Evolution is a process of how living things change over time. Natural selection is the basic mechanism of evolution. It was introduced by Charles Darwin in 1859. He compared natural selection with artificial selection. In artificial selection, humans choose traits for breeding. For example, we can breed dogs for size. And that is why we have the Great Dane (very large) and the Chihuahua (very small).\nNatural selection is like artifici...<\/p>\n  <\/div>\n  <div class=\"mepr-unauthorized-message\">\n    <p><strong>Please login to enjoy the rest of the story, or <a href=\"https:\/\/readoasis.com\/es\/register\/student\/\">JOIN ReadOasis today<\/a>.\u00a0<\/strong><\/p>\n  <\/div>\n  <div class=\"mepr-login-form-wrap\">\n            \n<div class=\"mp_wrapper mp_login_form\">\n                  <!-- mp-login-form-start -->     <form name=\"mepr_loginform\" id=\"mepr_loginform\" class=\"mepr-form\" action=\"https:\/\/readoasis.com\/es\/login\" method=\"post\">\n            <div class=\"mp-form-row mepr_username\">\n        <div class=\"mp-form-label\">\n                              <label for=\"user_login\">Nombre de usuario<\/label>\n        <\/div>\n        <input type=\"text\" name=\"log\" id=\"user_login\" value=\"\" \/>\n      <\/div>\n      <div class=\"mp-form-row mepr_password\">\n        <div class=\"mp-form-label\">\n          <label for=\"user_pass\">Contrase\u00f1a<\/label>\n          <div class=\"mp-hide-pw\">\n            <input type=\"password\" name=\"pwd\" id=\"user_pass\" value=\"\" \/>\n            <button type=\"button\" class=\"button mp-hide-pw hide-if-no-js\" data-toggle=\"0\" aria-label=\"Mostrar la contrase\u00f1a\">\n              <span class=\"dashicons dashicons-visibility\" aria-hidden=\"true\"><\/span>\n            <\/button>\n          <\/div>\n        <\/div>\n      <\/div>\n            <div>\n        <label><input name=\"rememberme\" type=\"checkbox\" id=\"rememberme\" value=\"forever\" \/> Recu\u00e9rdame<\/label>\n      <\/div>\n      <div class=\"mp-spacer\">&nbsp;<\/div>\n      <div class=\"submit\">\n        <input type=\"submit\" name=\"wp-submit\" id=\"wp-submit\" class=\"button-primary mepr-share-button\" value=\"Acceder\" \/>\n        <input type=\"hidden\" name=\"redirect_to\" value=\"\/es\/wp-json\/wp\/v2\/posts\/81\" \/>\n        <input type=\"hidden\" name=\"mepr_process_login_form\" value=\"true\" \/>\n        <input type=\"hidden\" name=\"mepr_is_login_page\" value=\"false\" \/>\n      <\/div>\n    <\/form>\n    <div class=\"mp-spacer\">&nbsp;<\/div>\n    <div class=\"mepr-login-actions\">\n        <a\n          href=\"https:\/\/readoasis.com\/es\/login?action=forgot_password\"\n          title=\"Click here to reset your password\"\n        >\n          Contrase\u00f1a olvidada        <\/a>\n    <\/div>\n\n      \n    <!-- mp-login-form-end --> \n  <\/div>\n      <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>ReadOasis Step 3 Creative Commons photo by Oakley Originals Evolution is a process of how living things change over time. Natural selection is the basic mechanism of evolution. It was introduced by Charles Darwin in 1859. He compared natural selection with artificial selection. In artificial selection, humans choose traits for breeding. For example, we can [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":19187,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","tve_updated_post":"","tve_custom_css":"","tve_user_custom_css":"","tve_globals":{},"tcb2_ready":0,"tcb_editor_enabled":0,"tve_landing_page":"","_tve_header":"","_tve_footer":""},"categories":[497,45,493,192,298,39,32,46],"tags":[193,92,522,93,284],"class_list":["post-81","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-b2-intermediate","category-5-steps","category-cefr-levels","category-listen","category-protected","category-sciences","category-step-3","category-stories","tag-audio","tag-environment","tag-learn-english-through-reading","tag-nature","tag-read-big","post-wrapper","thrv_wrapper"],"_links":{"self":[{"href":"https:\/\/readoasis.com\/es\/wp-json\/wp\/v2\/posts\/81","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/readoasis.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/readoasis.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/readoasis.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/readoasis.com\/es\/wp-json\/wp\/v2\/comments?post=81"}],"version-history":[{"count":0,"href":"https:\/\/readoasis.com\/es\/wp-json\/wp\/v2\/posts\/81\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/readoasis.com\/es\/wp-json\/wp\/v2\/media\/19187"}],"wp:attachment":[{"href":"https:\/\/readoasis.com\/es\/wp-json\/wp\/v2\/media?parent=81"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/readoasis.com\/es\/wp-json\/wp\/v2\/categories?post=81"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/readoasis.com\/es\/wp-json\/wp\/v2\/tags?post=81"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}