It is slippery, soft and slimy, burrows in the moist soil and many just find it disgusting \u2013 the earthworm. Most of us know it when it comes to the surface in heavy rain and ends in puddles or, possibly, as fish bait; but earthworms are true natural wonders and extremely useful. Only a very small percentage of all animals are vertebrates. These animals, such as mammals, birds, reptiles, amphibians and fish, all have a vertebral column. Over 90% of our fauna are invertebrate animals.<\/p>\n","protected":false},"excerpt":{"rendered":"
It is slippery, soft and slimy, burrows in the moist soil and many just find it disgusting \u2013 the earthworm. Most of us know it when it comes to the surface in heavy rain and ends in puddles or, possibly, as fish bait; but earthworms are true natural wonders and extremely useful. Only a very small percentage of all animals are vertebrates. These animals, such as mammals, birds, reptiles, amphibians and fish, all have a vertebral column. Over 90% of our fauna are invertebrate animals.<\/p>\n","protected":false},"featured_media":8073,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[71],"product_tag":[88,126,128],"class_list":["post-8081","product","type-product","status-publish","has-post-thumbnail","product_cat-movie","product_tag-subject-biology","product_tag-target-sek-i-2","product_tag-target-sek-ii-2","product_shipping_class-dvd","first","instock","taxable","shipping-taxable","purchasable","product-type-variable"],"acf":{"subtitle":"Structure and Behaviour","article_id":"4671616 \/ 5561441","languages":"DE, EN, TR","thumb_up":true,"cover_image":null,"linked_product":"","linked_products":null,"banner":{"show":false,"text":"","color":""},"length":"22:02 min","content_movie":"","learning_goals":"","preview_gif":8071,"trailer":{"file":"","url":"https:\/\/www.lehrmediathek.de\/trailer\/Regenwurm_Trailer.mp4","image":8080},"mediathek_id":293,"amount":"","demo_url":"","h5p_demo_id":"","content_interactive":"","hide_numbers":false,"flyer":"","info_columns":null},"_links":{"self":[{"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/product\/8081","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/media\/8073"}],"wp:attachment":[{"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/media?parent=8081"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/product_brand?post=8081"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/product_cat?post=8081"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.medienlb.com\/en\/wp-json\/wp\/v2\/product_tag?post=8081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}