Ch. 5 7th GD Science

Front

Which of these are types of fossils?

Back

Mineralized, Carbonized, Cast and mold, All of these are types of fossils.

Front

Belief that the Earth has changed at the same, slow rate for millions of years.

Back

Uniformitarianism

Front

Determining the age of a specimen indirectly by looking at the rock layers around it is called _____

Back

Relative dating

Front

When two unrelated organisms have the same organ, the organ is called a(n):

Back

Homologous structure

Front

What is the name for determining the age of a specimen?

Back

Dating

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of a once-living organism.

Front

What is the difference between relative dating and absolute dating?

Back

Relative dating determines the age of a specimen in relation to other specimens, while absolute dating provides a specific age.

Front

What is a vestigial structure?

Back

A vestigial structure is an organ or part that has lost its original function through evolution.

Front

What is catastrophism?

Back

Catastrophism is the belief that the Earth has been shaped by sudden, short-lived, and violent events.

Front

What is the significance of homologous structures in evolution?

Back

Homologous structures indicate common ancestry among different species.