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Esa madre existe?😅

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Dientuditos todos necesitamos amigos inseparables y nadando en mar es alegría entraste con el amor de marea ....🎉🎉🎉🎉🎉😂😂😂😂😂😂

Hace pocos días salió algo sobre que Miragaia podría ser sinónimo de Dacentrurus. ¿Cómo va el asunto, ya hay consenso científico?

Okey, esa madre me asusto :'

Capibara

Como que los plesiosaurios lo lograron?? No entendí

Si me encuentro esa madre en el mar me da talasofobia porque me da

la mamá de ese episodio de dod esponja de chocolate

😂😂😂😂😂😂

También esta la teoría de su evolución, de ahí sus cambios drásticos y el porqué es cada vez distinto

Ya salió un lokisetatops

Ojitos que enamoran, ojitos pajaritos♥️

Esa chingadera ya me traumo😰

Gato es gato sin importar el tamaño :3

Cuando algo te roza el pie y crees que ha sido un alga, pero en realidad ha sido esto:

What is that?

🎯 Key points for quick navigation: 00:17 *🦔 Definition of a mammal* - A mammal is traditionally defined by having hair, mammary glands, and giving birth to live young. - Exceptions to traditional mammal characteristics exist, such as hairless mammals like elephants and cetaceans. 00:59 *🦓 Challenges with defining mammals from a paleontological perspective* - Inferring if a fossilized organism had mammary glands is almost impossible. - Characteristics like endothermy and homeothermy are not foolproof to define mammals, especially in the fossil record. 04:17 *🐞 Linnaeus' classification of mammals* - Linnaeus defined mammals based on characteristics like a warm heart, internal fertilization, and lactation. - Some of Linnaeus' criteria for mammals were accurate, while others were flawed. 06:07 *🐋 Modern paleontological definitions of mammals* - The modern paleontology approach uses phylogenetic definitions based on evolutionary relationships. - Fossil mammals are classified based on their position within the evolutionary tree, often outside the "crown group." 07:27 *🦕 Mammaliaformes as transitional group* - Mammaliaformes are a transitional group linking non-mammalian synapsids to true mammals. - The evolution of mammals can be traced back to groups like Mammaliaformes, distinct from the crown group of mammals. 09:27 *🦣 Anatomical features of early mammals* - Early mammals shared anatomical features like specific dental patterns and bone structures. - These shared characteristics help differentiate early mammal fossils even without mammary glands or visible hair. 11:15 *🌿 Understanding what a mammal is* - Anatomical features provide a useful way to identify early mammal fossils. - Knowing the defining characteristics of mammals helps in recognizing diverse fossil forms. Made with HARPA AI

🎯 Key points for quick navigation: 00:17 *🐾 Definition of a mammal* - Basic definition of a mammal includes having hair, producing milk, and giving birth to live young - Exceptions to the traditional mammal definition include mammals without hair like elephants and cetaceans - Fossil record complicates defining mammals due to transitional forms 01:59 *🦴 Challenges in identifying mammary glands in fossils* - Identifying mammary glands in fossils is nearly impossible except for rare cases like fossils in amber or permafrost - Inferring the presence of mammary glands in fossil mammals relies on belonging to a modern mammal group or a closely related one - Features like mammary glands are not always helpful in defining mammals in the fossil record 04:17 *🦷 Linnaeus' characteristics of mammals* - Linnaeus defined mammals based on characteristics like a warm-blooded heart, presence of lungs, lips, internal fertilization, and more - Some of Linnaeus' characteristics of mammals, like the presence of four extremities, have been proven incorrect - Linnaeus' mammal definition includes several accurate features but also some errors 06:07 *🦋 Evolutionary perspectives on defining mammals* - Modern paleontology uses phylogenetic definitions to designate mammals based on evolutionary relationships - The crown group of mammals includes the most and least derived members of modern mammals - Transitional forms known as Mammaliaforms bridge non-mammalians and crown mammals in the evolutionary tree Made with HARPA AI

Que bonito😢

Me asuste 😔

👉👈

Ay alguna persona que pensó que iba a haber un scramer

Qué c******** es esa cosa😮😮😮

¡¡¡¡NECESITO YA ESE VIDEO O MI CURIOSIDAD ME MATARA!!!!

Oe no me aparese mas informacion sobre ese video

Imagínate q se mueva o q aga algo 💀💀💀💀💀💀💀💀

Que bonito 🤗

Qué es ese error de la naturaleza

😀 me fascinan las arañas 🚬🙂🍷

El Godzilla minus one de la vida real

Llega el pentaceratops a arreglar todo 😊

El dinosaurio: Eh we, tengo miedo

yo me pregunto donde saco el video

Pov de tiburon: es ne- Pov humano que tiene talasofobia: Da miedo porque es ne-

Poche

Preferiria la de 1999 ☠️

El cangrejo Herradura Manos te van a faltar para pelarme la ....

El Mosasaurio: 💀 El Asteroide: 🚬🗿

Pero cuando pasa la evolución Cómo se vería esa cosa del mar si evoluciona a otro animal diferente?

Como el arquepterix el primer dino ave

La última fue la más fuerte tornados volcanes y terremotos

Ta bonito el pecesito

Oigan lla sé que se ve feo pero pobre repil marino se murió

Casi me muero del susto la primera ves que lo vi xdxdxd dxfd d z

sdsdfedsdsdsdsd

Bro sus dientes.... Es el ñesioñaurio.

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Alv!!! Es real o solamente es un montaje?! Si es real díganme donde fue grabado para no ir :""u

Poesía nessie plesiosa tiamat