Tag Archives: conservation

B10 Human Influences on the Ecosystem (Combined Science)

For self-assessment questions, with exercises and discussions, just click on the correct topic at Biology GCSE & IGCSE Question Bank. The s-cool revision site lets you revise the topic, summarizes the topic & tests you on it. Skoool gives you a lesson, including progress questions, for each Biology topic but you’ll need sound on for it.

Here are key terms and some definitions: Key Terms B11

Eutrophication – a short video from The Virtual School:

Mr W sings Seven ways to reduce carbon.

Science in Focus – The Human Impact – a 19m video and here’s a short (less than 5 minute) video clip from BBC iScience – Acid Rain.

What really happens to the plastic you throw away:

The Great Pacific Ocean Garbage Patch:

Option C Ecology & Conservation

IB Biology Ecology Optional Topic C 2015 from Bob Smullen – covering Topic 4 Ecology and Option C.

Notes on topic C Ecology & Conservation from BioNinja.

C4 Conservation of Biodiversity (SL & HL)

C.4 Conservation of Biodiversity from Bob Smullen

Bio C4 Conservation Biodiversity in 5 minutes from roxprice:

INDICATOR SPECIES

Biological sampling & recording: Kick sampling (7m 48s from FSC); Kick Sampling (1m)

BIODIVERSITY

Why is Biodiversity so important? (TED-Ed 4m video)

E.O. Wilson on Biodiversity in one minute; How Do the Many Islands of the Philippines Contribute to Its Biodiversity? (2m).

Loss of Biodiversity from Mr Andersen (7m 24s)

CONSERVATION

Conservation & the race to save Biodiversity (12m video)

Conservation and Restoration Ecology: Crash Course Ecology #12 (10m)

IGCSE Bio Topic 21 – Human Influences on Ecosystems

For self-assessment questions, with exercises and discussions, just click on the correct topic at Biology GCSE & IGCSE Question Bank. The s-cool revision site lets you revise the topic, summarizes the topic & tests you on it. Skoool gives you a lesson, including progress questions, for each Biology topic but you’ll need sound on for it.

Topic 21 revision notes in downloadable word format; to be completed.

This powerpoint covers a lot of Topic 21, as well as revising a lot of Topic 19:

Igcse biology edexcel 4.1 4.17 from Marcos Rodriguez

Science in Focus – The Human Impact – a 19m video.

21.1 Food Supply

A work in progress!

21.2 Habitat Destruction

21.3 Pollution

WATER POLLUTION

EUTROPHICATION

Eutrophication – a short video from The Virtual School:

A lesson (how sewage kills fish) from Mr Dare:

PLASTICS

What really happens to the plastic you throw away:

The Great Pacific Ocean Garbage Patch:

ENHANCED GREENHOUSE EFFECT & CLIMATE CHANGE

A lesson on the Enhanced Greenhouse Effect from Mr Dare:

Mr W sings Seven ways to reduce carbon.

ACID RAIN

A lesson on Acid Rain from Mr Dare:

Here’s a short (less than 5 minute) video clip from BBC iScience – Acid Rain.

21.4 Conservation

A work in progress!