'Triassic extinction' presentation slideshows

Chapter 5: Evolution and Community Ecology

Chapter 5: Evolution and Community Ecology. Section 1: Evolution. Describe the four primary mechanisms of biological evolution Describe how speciation and extinction affect the diversity of life on Earth.

1.23k views • 76 slides

Asteroid belt

Asteroid belt. Kuiper Belt and Oort Cloud. IMPACT EVENTS. Known impact craters. http://www.lpl.arizona.edu/SIC/impact_cratering/Chicxulub/Animation.gif. Barringer Meteor Crater, AZ (49,000 yrs). Manicouagan Crater, Canada (~212 Ma). 100 km. Clearwater Lakes, Canada (~290 Ma).

690 views • 28 slides

History of Life 1

359 views • 27 slides

Extinction

Extinction. Noadswood Science, 2011. Extinction. To understand why a species may become extinct. Extinction.

678 views • 17 slides