Put the following events in order: Put the oldest events first (top of list) and the most recent events last (bottom of list) Drag and drop options into correct order and submit For keyboard navigation_. Show More Origin of Homo sapiens Origin of Dinosaurs Origin of Prokaryotes Origin of Eukaryotes Origin of Animals Origin of Birds The Great Oxygenation Event (Catastrophe)
The Correct Answer and Explanation is:
Correct Chronological Order (Oldest to Most Recent):
- Origin of Prokaryotes
- The Great Oxygenation Event (Catastrophe)
- Origin of Eukaryotes
- Origin of Animals
- Origin of Dinosaurs
- Origin of Birds
- Origin of Homo sapiens
Explanation
Understanding the timeline of life on Earth involves examining key evolutionary milestones. These events span billions of years, starting from the earliest simple life forms and progressing to complex organisms like humans.
The Origin of Prokaryotes is the oldest event on the list, occurring about 3.5 to 3.8 billion years ago. Prokaryotes are single-celled organisms without a nucleus, such as bacteria, and they were the first known life forms on Earth.
Next came the Great Oxygenation Event, which happened around 2.4 billion years ago. This event was caused by photosynthetic prokaryotes (cyanobacteria) producing oxygen as a byproduct. Over time, this oxygen accumulated in the atmosphere, dramatically changing Earth’s environment and paving the way for aerobic life.
The Origin of Eukaryotes followed approximately 2.0 to 1.8 billion years ago. Eukaryotes are more complex cells that have a nucleus and organelles. They eventually gave rise to all plants, animals, and fungi.
The Origin of Animals occurred around 600 to 700 million years ago. This marked the emergence of multicellular organisms capable of movement and more complex behaviors, setting the stage for future biodiversity.
The Origin of Dinosaurs came next, about 230 million years ago during the Mesozoic Era. Dinosaurs dominated Earth for millions of years until their extinction.
From the lineage of certain dinosaurs came the Origin of Birds, which occurred roughly 150 million years ago. Birds are now considered living dinosaurs due to their evolutionary history.
Finally, the Origin of Homo sapiens is the most recent event, dating back approximately 300,000 years ago. Modern humans evolved in Africa and eventually spread across the globe, developing language, culture, and advanced technology.
This timeline reflects the vast and gradual evolution of life on Earth.
