Matching
Match the following events with the best estimated time.
Premises:
The single supercontinent Pangea is present
The dinosaurs became extinct
The Cambrian Explosion has left fossils of many soft-bodied animals
First cells to contain chloroplasts and mitochondria appeared.
Atmosphere is believed to be like ours today
Responses:
1.9 billion years ago
245 million years ago
400 million years ago
65 million years ago
580 million years ago
540 million yearsago
Correct Answer:
Premises:
Responses:
Atmosphere is believed to be like ours today
400 million years ago
First cells to contain chloroplasts and mitochondria appeared.
1.9 billion years ago
The Cambrian Explosion has left fossils of many soft-bodied animals
540 million yearsago
The dinosaurs became extinct
65 million years ago
The single supercontinent Pangea is present
245 million years ago
Premises:
Atmosphere is believed to be like ours today
First cells to contain chloroplasts and mitochondria appeared.
The Cambrian Explosion has left fossils of many soft-bodied animals
The dinosaurs became extinct
The single supercontinent Pangea is present
Responses:
400 million years ago
1.9 billion years ago
540 million yearsago
65 million years ago
245 million years ago
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