Question

What does the principle of faunal succession state?

O Fossils are deposited in approximately horizontal layers and spread out until they reach a barrier.
O Specific groups of organisms have followed one another in a definite sequence through the Earth's history.
• Absolute dating is required to determine the relative age of animals based on their fossils.
• Rock layers with the same unique grouping of fossils are of the same geologic age.

Answer 1

b. Specific groups of organisms have followed one another in a definite sequence through the Earth's history.

Step-by-step explanation:

The principle of faunal succession states that specific groups of organisms have followed one another in a definite sequence through the Earth's history. This principle is based on the observation that fossilized remains of different organisms are found in different layers of rock and that the layers can be dated and correlated to specific time periods. By comparing the fossils found in different rock layers, geologists and paleontologists can reconstruct the evolutionary history of life on Earth and the changes that have occurred in different environments over time.