Lesson 4-Evidence in the Fossil Record

Front

What is evidence for evolution?

Back

Fossils, DNA/Proteins, Body Structure/Anatomy, Early Development/Embryos.

Front

Which is NOT used as evidence for evolution?

Back

Natural Selection.

Front

What does Darwin's theory of evolution suggest?

Back

Species change over time.

Front

What is a common ancestor?

Back

An ancestor from which different species have evolved.

Front

What are homologous structures?

Back

Features that have different functions but similar structures, indicating a common ancestor.

Front

What are vestigial structures?

Back

Body parts that have lost their original function through evolution.

Front

What are analogous structures?

Back

Features that serve similar functions but have different evolutionary origins.

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is the significance of DNA comparison in evolution?

Back

It supports the theory that all species share a common ancestor.

Front

What does extinction mean?

Back

The end of an organism or species, meaning it no longer exists.