Homework+Due+Monday+12th+March

=Read the following articles and answer the questions below.= __ The Cambrian explosion __Earth Sciences, University of Bristol, UK 1) What is the Cambrian Explosion and around what time did it occur? 2) Outline evidence that suggests that life was present 3.8 billion yrs ago. 3) Outline the main theries (extrinsic/ intrinsic) that have been proposed to explain the Explosion of metazoan diversity during the Cambrian. 4) What is the significance of the Burgess Shale? [|Burgess Shale] 5) What conditions allowed organisms of the Burgess Shale site to be preserved so perfectly? 6) Outline the importance of the discovery of fossilised embryos found in china.
 * Timing**
 * Triggers**
 * Burgess Shale Type Faunas**
 * Recent Discoveries**

Read the article [|Cambrian predator had killer eyes] - Article from ABC Science answer the following questions 1) Outline the features of the Anomalocaris that would of made it a good hunter. 2)How do we know about these features? 3)What adaptations in prey would have the anomolocaris driven? Explain using your knowlege of natural selection. (use the words natural selection, selective pressure, beter adapted, reproduce, variation.

Have a great weekend