Category Archives: 4. Ecology

4.1 Species, Communities & Ecosystems

BioKnowledgy presentation on 4.1 Species, communities and ecosystems from Chris Paine

4-1 Species Comms Ecos notes to complete (created by Mrs Green).

A 9m video lesson on this sub-topic from 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. And here is a worked Chi-squared example in 9m 30s.

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

Key terms as flashcards from Quizlet (you also can test yourself in a number of ways):

PRESCRIBED PRACTICAL 5 – Mesocosms

Setting up sealed mesocosms to try to establish sustainability

Mesocosms – notes from BioNinja

4.2 Energy Flow

4.2 energy flow from dabagus

An 11m video lesson on this sub-topic from Dan Rott videos:

Energy Flow in Ecosystems, a 7m 45s lesson from Mr Andersen from Bozeman High. In Crash Course Biology Fungi: Death Becomes Them, Hank Green explains how fungi, which thrive on death, make all life possible.

Energy Flow – FCPSBiology (6m 26s):

In Crash Course Biology Fungi: Death Becomes Them, Hank explains how fungi, which thrive on death, make all life possible.

Key terms as flashcards from Quizlet (you also can test yourself in a number of ways):

4.4 Climate Change

BioKnowledgy 4.4 Climate change from Chris Paine.

IB 4.4 – Climate Change, a 13m lesson from Dan Rott. Global Climate Change, a 7m video lesson from Mr Andersen of Bozeman High. Here are a couple of good visuals: What’s really warming the world and A timeline of Earth’s average temperature.

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!’

Key terms as flashcards from Quizlet (you also can test yourself in a number of ways):