Biology Unit 1 Day 2

Learning: Students will explain in writing the components of natural selection using the language of science (variation, differential survival), graphic organizer and check in partners.

Questions:

1. What causes variation in species and populations? (book or brain)
2. Is variation a good or a bad thing for a population? (brain)
3. Does every critter in a population get to survive? Why/why not? (brain)