Question

In a sequence of sedimentary rock strata, the lower strata contain:

पर्याय

• No fossils at all

• Older fossils of primitive forms

• Newer fossils of advanced forms

• Fossils of organisms that lived most recently

Answer 1

During fossilisation, older and more primitive organisms are found in lower layers. Different-aged strata contain fossils of different life forms, with depth corresponding to increasing age.