Timothy Lim

Videos for Singapore O Level Biology and Lower Secondary Science.
Hope that it will be helpful for use in flipped classroom/ e-learning.
For accompanying notes, you may contact me by private message/ comments

What's so Good about Good Friday?
What's so Good about Good Friday?
Ecology: Bioaccumulation and Bioamplification
Ecology: Bioaccumulation and Bioamplification
Ecology: Too few forests, fewer fish and too much eutrophication
Ecology: Too few forests, fewer fish and too much eutrophication
Carbon Cycle and Sinks: No, you can't ride it
Carbon Cycle and Sinks: No, you can't ride it
Genetic engineering: BT Corn and Gene therapy
Genetic engineering: BT Corn and Gene therapy
Genetic engineering: Spider-sheep?
Genetic engineering: Spider-sheep?
DNA: More beautiful than a Korean song
DNA: More beautiful than a Korean song
Someone give me a transcription, or I'll be lost in translation!
Someone give me a transcription, or I'll be lost in translation!
Genes: The secret code for polypeptides
Genes: The secret code for polypeptides
The Genetic Code Rules (Warning: It comes in triplets!)
The Genetic Code Rules (Warning: It comes in triplets!)
Artificial Selection: The story of broccoli and wolves that lost their bite
Artificial Selection: The story of broccoli and wolves that lost their bite
Mutation: X-men in real life?
Mutation: X-men in real life?
Natural selection: Only the fittest survive
Natural selection: Only the fittest survive
Evolution: How new species arise (and did humans come from apes?)
Evolution: How new species arise (and did humans come from apes?)
Transport System: Capillaries Up Close (Lower Sec Biology)
Transport System: Capillaries Up Close (Lower Sec Biology)
Transport System: Bleeding Blood Vessels (Lower Sec Biology)
Transport System: Bleeding Blood Vessels (Lower Sec Biology)
Inheritance: Blood Groups - A case of Co-dominance
Inheritance: Blood Groups - A case of Co-dominance
Transport System: Heart to Heart (Lower Sec Biology)
Transport System: Heart to Heart (Lower Sec Biology)
Inheritance: Test Cross and Sex Determination (it's all in the sperm!)
Inheritance: Test Cross and Sex Determination (it's all in the sperm!)
Meiosis: Making gametes in two divisions (Part 1)
Meiosis: Making gametes in two divisions (Part 1)
Meiosis: Making gametes in two divisions (Part 2)
Meiosis: Making gametes in two divisions (Part 2)
Homologous chromosomes: Similar but not identical
Homologous chromosomes: Similar but not identical
Meiosis: Your Source of Variation
Meiosis: Your Source of Variation
Untangling chromosomes, chromatin and chromatids
Untangling chromosomes, chromatin and chromatids
Mitosis: The beginning and end of a cell's life
Mitosis: The beginning and end of a cell's life
Mitosis: Four stages of dividing a nucleus
Mitosis: Four stages of dividing a nucleus
The important divide: Why cell division matters
The important divide: Why cell division matters
Parts of the Reproductive System (Rated: PG)
Parts of the Reproductive System (Rated: PG)
The baby's home: placenta, umbilical cord and amniotic sac
The baby's home: placenta, umbilical cord and amniotic sac