Lesson 4
Activity 1:

How can a scientist determine the age of a fossil?

Activity 2:

Anticipate what could happen to an endangered species due to a variation that provides an advantage for this species. And what would result if the variation is a disadvantage?

Activity 3:
What do homologous structures indicate? Give an example of two different species with a homolog structure between them.

Submit all work to Moodle.

NOTE: Activities in this lesson may be adjusted by the instructor based on the needs of students.