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Bitesize GCSE Biology

Dr Alex Lathbridge guides you through the key revision topics for your GCSE Biology exam.

Sounds,51 episodes

Episodes

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Series 7: Exam techniques for science exams
1. Introduction to exam techniques
Dr Alex Lathbridge gives you tips and advice on Science exam techniques.
24 Mar 2023,8 mins
Series 7: Exam techniques for science exams
2. How to revise
Dr Alex Lathbridge breaks down how to revise for your GSCE Biology exams.
24 Mar 2023,10 mins
Series 7: Exam techniques for science exams
3. Command words
Understanding the different command words in your Science GCSE exams.
24 Mar 2023,9 mins
Series 7: Exam techniques for science exams
4. Six-mark answers
How to write six-mark answers in your Science GCSE exams.
24 Mar 2023,10 mins
Series 7: Exam techniques for science exams
5. Maths skills
Brush up on the maths you need for your exam - percentages, averages & converting units.
24 Mar 2023,11 mins
Series 7: Exam techniques for science exams
6. Data analysis and application
Data analysis and Application Questions with Dr Alex Lathbridge
24 Mar 2023,10 mins
Series 7: Exam techniques for science exams
7. Questions about practicals
Questions about Practicals with Dr Alex Lathbridge.
24 Mar 2023,11 mins
Series 7: Exam techniques for science exams
8. Biological terminology
Revise the key science terms that are hard to spell.
24 Mar 2023,10 mins
Series 6: Ecology
1. Organisation of ecosystems
How food chains are formed and how predators and prey interact.
23 Mar 2023,11 mins
Series 6: Ecology
2. Biotic and abiotic factors
The resources that plants and animals compete for and the factors that can change.
23 Mar 2023,10 mins
Series 6: Ecology
3. The carbon cycle
What happens to carbon at each stage of the cycle and the different processes involved.
23 Mar 2023,8 mins
Series 6: Ecology
4. The water cycle
The important processes throughout the cycle and what happens to water during each stage.
23 Mar 2023,8 mins
Series 6: Ecology
5. Decomposition
Factors that determine the rate of decomposition including temperature, water and oxygen.
23 Mar 2023,9 mins
Series 6: Ecology
6. Biodiversity and human impact on the environment
Why high levels of biodiversity are very important for our planet.
23 Mar 2023,10 mins
Series 6: Ecology
7. Climate change
How climate change affects organisms and ecosystems.
11 mins
Series 5: Inheritance, variation and evolution
1. Reproduction
Dr Alex Lathbridge breaks down the key facts about sexual and asexual reproduction.
24 Mar 2023,8 mins
Series 5: Inheritance, variation and evolution
2. Inheritance
How genetics determine biological sex and inherited health disorders.
24 Mar 2023,10 mins
Series 5: Inheritance, variation and evolution
3. Variation
Why variation happens within one species and the genetic and environmental causes.
24 Mar 2023,8 mins
Series 5: Inheritance, variation and evolution
4. Evolution
What evolution is and the four key stages of the process of natural selection.
24 Mar 2023,9 mins
Series 5: Inheritance, variation and evolution
5. Evidence for evolution
Dr Alex Lathbridge breaks down the different types of scientific evidence for evolution.
24 Mar 2023,10 mins
Series 5: Inheritance, variation and evolution
6. Changing organisms
How selective breeding and genetic engineering happens in a laboratory, pros and cons.
24 Mar 2023,11 mins
Series 5: Inheritance, variation and evolution
7. Classification
The Linnean System, the Three-Domain System and the Binomial System.
24 Mar 2023,10 mins
Series 4: Homeostasis and response
1. Homeostasis
The maintenance of a constant internal environment in the body.
10 mins
Series 4: Homeostasis and response
2. The human nervous system
Dr Alex Lathbridge breaks down how neurotransmitters travel across a synapse.
10 mins
Series 4: Homeostasis and response
3. The human endocrine system
Dr Alex Lathbridge explains hormones and the six key glands that produce them.
9 mins
Series 4: Homeostasis and response
4. Blood glucose
Dr Alex Lathbridge examines what happens if blood glucose levels get too high or too low.
9 mins
Series 4: Homeostasis and response
5. Hormones and the menstrual cycle
Dr Alex Lathbridge explains what happens at each stage of the menstrual cycle.
11 mins
Series 4: Homeostasis and response
6. The brain and eye
Dr Alex Lathbridge breaks down the structure of the brain and the eyes.
10 mins
Series 4: Homeostasis and response
7. Water and nitrogen balance
How the kidneys maintain water levels in the body and how nitrogen is balanced.
9 mins
Series 4: Homeostasis and response
8. Plant hormones
How hormones help plants to grow in response to light and gravity.
9 mins