Evolution of Live birth (Why do mammal not lay eggs?) скачать в хорошем качестве

Evolution of Live birth (Why do mammal not lay eggs?)

Mammals, like almost all other types of animal today, used to lay eggs, but then they adapted to give birth to live young. why did some mammals make this change and if it has been so beneficial why haven't more animals evolved to do it? To support me on Patreon (thank you):   / mothlightmedia   To donate to my PayPal (thank you): https://www.paypal.me/mothlightmedia To buy merchandise: teespring.com/en-GB/stores/moth-light... Email: [email protected] If I have used artwork that belongs to you but have neglected to credit it this will just be because I was unable to find one. If this has happened please contact me and I will add a credit. Some Art work has been altered for the purposes of bettering them for video format; these alterations were done independent from the artists who created the original work, so they are not responsible for any inaccuracies that could have occurred with the changes being made. Sources: https://www.ncbi.nlm.nih.gov/pmc/arti... https://pubmed.ncbi.nlm.nih.gov/18985... https://journals.plos.org/plosbiology... https://www.researchgate.net/publicat... https://ecoevocommunity.nature.com/po... https://www.nature.com/articles/s4158... https://www.sciencedirect.com/science... https://www.ncbi.nlm.nih.gov/pmc/arti...