, BIOL1070MIDTERM IIL E C T U R E REVIEW
Lecture 8
Biodiversity: Evolution and ecology
, BIOL1070MIDTERM IIL E C T U R E REVIEW
Learning outcomes
1. Discuss the connection between biodiversity, evolution, and ecology.
2. Explore how species are ecologically connected.
3. Manipulate an ecosystem and understand what happens when a
species is extirpated.
ECOLOGY-
Week 4-7: Forest Biodiversity
, BIOL1070MIDTERM IIL E C T U R E REVIEW
What Determines Global Biodiversity?
Global biodiversity is the net outcome of two opposing processes:
• Speciation: Increase in diversity
• Extinction: Decrease in diversity.
• One cannot explain the diversity of life without understanding
these two components of evolutionary history.