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Há 6 dias · e. The evolution of mammals has passed through many stages since the first appearance of their synapsid ancestors in the Pennsylvanian sub-period of the late Carboniferous period. By the mid- Triassic, there were many synapsid species that looked like mammals. The lineage leading to today's mammals split up in the Jurassic; synapsids from this ...
Há 5 dias · W hich came first, the chicken or the egg? This question has not only puzzled young minds but also seasoned scholars throughout the ages. Finally, scientists are becoming more confident in revealing the answer based on a study around amphibians and lizards.
Há 4 dias · An amniotic egg protected by a shell is an evolutionary development most likely driven by: The need to reproduce on dry land without letting the egg dry out. Score 1 Log in for more information.
9 de mai. de 2024 · reptile, any member of the class Reptilia, the group of air-breathing vertebrates that have internal fertilization, amniotic development, and epidermal scales covering part or all of their body. The major groups of living reptiles—the turtles (order Testudines), tuatara (order Rhynchocephalia [Sphenodontida]), lizards and snakes (order ...
22 de mai. de 2024 · Study with Quizlet and memorize flashcards containing terms like in species that reproduce via external fertilization: a. males do not have to compete with each other for access to a female's eggs b. only females provide parental investement, in the form of the nutrition present in the egg c. sexual selection does not operate d. sperm and egg encounter each other outside of the females body ...
16 de mai. de 2024 · An amniotic egg protected by a shell is an evolutionary development most likely driven by: The need to reproduce on dry land without letting the egg dry out. Score 1 Log in for more information.
Há 1 dia · Chapter 1760: Is the laziest technical route the most reliable? (10,000 rewards plus update 1) The magic of ray energy supply, strengthening the energy absorbed by chromosomes to ensure the smooth replication of extraordinary chromosomes, Gretel can only say – it has been developed, but has not yet been fully understood.
