Category Archives: 4. Ecology

4.1 Species, Communities & Ecosystems

B Biology 4.1-4.2 Slides: Ecosystems & Energy Flow from Jacob Cedarbaum. Notice this covers 4.1 and 4.2.

Find a video lesson on this sub-topic at Dan Rott videos.
In Crash Course Biology #40 – Ecology: Rules for Living on Earth, Hank introduces us to ecology.
CHI-SQUARED TEST:

Thank you Mr Andersen

The Chi-Squared Test from Stephen Taylor. And thank you Mr Taylor.

4.4 Climate Change

BioKnowledgy 4.4 Climate change from Chris Paine.

Global Warming – a video by NASA (5m 49s):

How climate change will transform the planet:

Fantastic computer model from NASA showing how CO2 emissions across the world vary in a year (2006 in this case):

The Gulf Stream explained (in a nutshell, 5m)

WHAT IS THE EVIDENCE?

How are global carbon dioxide levels measured? (3m 30s):

Measuring climate change (10m 30s):

Drilling back to the future (the importance of ice cores in 6m):

WHAT CAN BE DONE?

Mr W sings ‘seven ways to reduce carbon’:

Mr W also sings Climate Change Rap 1, Climate Change Rap 2 and Climate Change Rap 3.

A clip from Al Gore’s film An Inconvenient Truth which includes ‘None like it hot!’