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Title: Evolution of Invertebrates
Description: This document examines the evolutionary journey of invertebrates, starting from their origin in the Pre-Cambrian Era to their diversification in the Cenozoic Era. It focuses on the development of structural adaptations, ecological roles, and contributions to biodiversity.
Description: This document examines the evolutionary journey of invertebrates, starting from their origin in the Pre-Cambrian Era to their diversification in the Cenozoic Era. It focuses on the development of structural adaptations, ecological roles, and contributions to biodiversity.
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2024/11/21
Evolution of
Invertebrates
Evolution of Invertebrates
Evolution of Invertebrates
Invertebrates are animals without a backbone or
vertebrae
...
Evolutionary History
1
...
Originated from unicellular and later evolved
into multicellular forms
...
2
...
Development of complex body structures like
skeletal systems and protective exoskeletons
...
3
...
Development of early arthropods and
mollusks
...
Devonian Period
o
o
Formation of coral reefs and other large
marine invertebrate ecosystems
...
5
...
o
Evolution of the first flying insects
...
Mesozoic Era
o
o
Emergence of new forms of marine
invertebrates, especially arthropods
...
7
...
o
Adapted to global changes and ecological
challenges
...
Diversity: Account for over 90% of all animal
species
...
Title: Evolution of Invertebrates
Description: This document examines the evolutionary journey of invertebrates, starting from their origin in the Pre-Cambrian Era to their diversification in the Cenozoic Era. It focuses on the development of structural adaptations, ecological roles, and contributions to biodiversity.
Description: This document examines the evolutionary journey of invertebrates, starting from their origin in the Pre-Cambrian Era to their diversification in the Cenozoic Era. It focuses on the development of structural adaptations, ecological roles, and contributions to biodiversity.