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Title: Evolution of Vertebrates
Description: This document explores the evolutionary history of vertebrates, tracing their origins from simple jawless fish in the Cambrian period to the rise of mammals, birds, and modern species. It covers key evolutionary milestones, including the development of the backbone, the transition from water to land, and the emergence of complex behaviors.
Description: This document explores the evolutionary history of vertebrates, tracing their origins from simple jawless fish in the Cambrian period to the rise of mammals, birds, and modern species. It covers key evolutionary milestones, including the development of the backbone, the transition from water to land, and the emergence of complex behaviors.
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EVOLUTION OF
VERTEBRATES
Vertebrates are animals with a backbone,
representing a significant evolutionary milestone
...
0|Pa ge
2024/11/21
Evolution of Vertebrates
Vertebrates are animals with a backbone, representing
a significant evolutionary milestone
...
Key Stages in Evolution
1
...
Example: Agnatha (jawless fish with primitive
backbones)
...
Ordovician and Silurian Periods:
o
o
Early vertebrates became more complex, with
the development of jawed fish
...
3
...
Example: Tiktaalik (a transitional form
between fish and amphibians)
...
Carboniferous and Permian Periods:
o
o
o
Evolution of early amphibians adapted to
semi-aquatic environments
...
Geographical changes led to new habitats
...
Mesozoic Era:
o
o
o
Known as the "Age of Dinosaurs
...
Example: Archeopteryx (early bird-like
dinosaur)
...
Cenozoic Era:
o
o
Known as the "Age of Mammals
...
2
Key Characteristics of Vertebrates
•
•
•
Backbone and Skeletal System: Provides
support and protection, enabling faster and more
efficient movement
...
Advanced Brain Development: Enables complex
behavior and environmental adaptation
...
3
Title: Evolution of Vertebrates
Description: This document explores the evolutionary history of vertebrates, tracing their origins from simple jawless fish in the Cambrian period to the rise of mammals, birds, and modern species. It covers key evolutionary milestones, including the development of the backbone, the transition from water to land, and the emergence of complex behaviors.
Description: This document explores the evolutionary history of vertebrates, tracing their origins from simple jawless fish in the Cambrian period to the rise of mammals, birds, and modern species. It covers key evolutionary milestones, including the development of the backbone, the transition from water to land, and the emergence of complex behaviors.