Biology Learning Videos – Dr. Bbosa
Dissection of a rat by Dr. Bbosa Science
describes adaptations of the different parts of a rat to its ecology and the the different systems (i.e, digestion, circulation, excretion systems)
![Dissection of a rat by Dr. Bbosa Science](https://i.ytimg.com/vi/Lh_O5SA-zpM/maxresdefault.jpg)
Dissection of a rat by Dr. Bbosa Science
describes adaptations of the different parts of a rat to its ecology ...
![Dissection of cockroach 2 by Dr. Bbosa Science](https://i.ytimg.com/vi/ajIaRAylVDo/maxresdefault.jpg)
Dissection of cockroach 2 by Dr. Bbosa Science
ecology, adaptation of parts to ecology and internal systems ...
![Dissection of a Toad by Dr. Bbosa Science](https://i.ytimg.com/vi/vwr8R30RMzY/mqdefault.jpg)
Dissection of a Toad by Dr. Bbosa Science
Ecology, adaptation of parts to ecology, internal systems (digestion, ...
![Dissection of rat Part 1of 2](https://i.ytimg.com/vi/AAj7dRzMNiI/maxresdefault.jpg)
Dissection of rat Part 1of 2
classification, external structures functions and adaptations, Ecology
![Dissection of rat Part 2 (internal structures)](https://i.ytimg.com/vi/TyRM7-aRYJs/maxresdefault.jpg)
Dissection of rat Part 2 (internal structures)
Organs of neck and muscles on the chest, abdominal structures in ...
![A-level biology lesson 8: Chemicals of life (, water, carbohydrates, lipids, proteins, vitamins)](https://i.ytimg.com/vi/j4ojO7fAEQg/maxresdefault.jpg)
A-level biology lesson 8: Chemicals of life (, water, carbohydrates, lipids, proteins, vitamins)
Properties, and uses of acids, bases, water, carbohydrates, lipids, ...
![A-level biology lesson 15: Coordination in animal part 1 of 2 by Dr. Bbosa Science](https://i.ytimg.com/vi/YMZ5XmeMQy0/maxresdefault.jpg)
A-level biology lesson 15: Coordination in animal part 1 of 2 by Dr. Bbosa Science
Differences between nervous and endocrine system, action potential, ...
![A-level biology lesson 47: Transport in animals lesson 1 of 2 by Dr. Bbosa Science](https://i.ytimg.com/vi/qdsbkPwo8vY/maxresdefault.jpg)
A-level biology lesson 47: Transport in animals lesson 1 of 2 by Dr. Bbosa Science
A-level biology Features of transport system, components of blood, ...
![A-level biology lesson 7: Respiration for A-level by Dr. Bbosa Science](https://i.ytimg.com/vi/0rYWLXnSaGY/maxresdefault.jpg)
A-level biology lesson 7: Respiration for A-level by Dr. Bbosa Science
Aerobic respiration, anaerobic respiration, glycolysis, Krebs cycle, ...
![A-level biology lesson 27: Homeostasis by Dr. Bbosa Science](https://i.ytimg.com/vi/Bg6_g-0HPFY/maxresdefault.jpg)
A-level biology lesson 27: Homeostasis by Dr. Bbosa Science
Definition of homeostasis, mechanisms of homeostasis (negative ...
![Food tests](https://i.ytimg.com/vi/xu2I6wCbjGE/mqdefault.jpg)
Food tests
Describes testing for starch, proteins, lipids, carbohydrate, vitamin ...
![A-level biology lesson 50: Transport in animals Structured questions A level by Dr. Bbosa Science](https://i.ytimg.com/vi/emvKPaxIdB8/maxresdefault.jpg)
A-level biology lesson 50: Transport in animals Structured questions A level by Dr. Bbosa Science
A-level Biology questions skillfully selected to test and aid understanding
![A-level biology lesson 10: Photosynthesis part 1 of 2 By Dr. Bbosa Science](https://i.ytimg.com/vi/9tsZSRljro8/maxresdefault.jpg)
A-level biology lesson 10: Photosynthesis part 1 of 2 By Dr. Bbosa Science
types of autotrophic nutrition, conditions necessary for ...
![A-level biology lesson 18: Coordination in animals revision of essay questions](https://i.ytimg.com/vi/LwQQdkgtVGc/maxresdefault.jpg)
A-level biology lesson 18: Coordination in animals revision of essay questions
Fully discussed questions to promote understanding
![A-level biology lesson 75: DNA, RNA and protein synthesis](https://i.ytimg.com/vi/YU_RqoQJpck/maxresdefault.jpg)
A-level biology lesson 75: DNA, RNA and protein synthesis
Nucleotides, bases, evidences that DNA is the genetic material, ...
![A-level biology lesson 77: DNA, RNA and protein synthesis structured questions](https://i.ytimg.com/vi/7tlg7m6rHBA/maxresdefault.jpg)
A-level biology lesson 77: DNA, RNA and protein synthesis structured questions
Questions selected to assist in understanding the topic at A-level
![A-level biology lesson 66: Ecology lesson 1 of 3 by Dr. Bbosa Science](https://i.ytimg.com/vi/MMRlCxLyRj8/maxresdefault.jpg)
A-level biology lesson 66: Ecology lesson 1 of 3 by Dr. Bbosa Science
Definition, Abiotic factors (soil, climate, fire, topography), Biotic ...
![A-level biology lesson 51: Evolution lesson 1 of 3 by Dr. Bbosa Science](https://i.ytimg.com/vi/GBJEKpWRWbU/maxresdefault.jpg)
A-level biology lesson 51: Evolution lesson 1 of 3 by Dr. Bbosa Science
Definition of evolution, theories for origin of life, Lamarck and ...
![A-level biology lesson 11: Photosynthesis part 2 of 2 by Dr. Bbosa Science](https://i.ytimg.com/vi/g_l8OEf3RIs/maxresdefault.jpg)
A-level biology lesson 11: Photosynthesis part 2 of 2 by Dr. Bbosa Science
structure, adaptations and functions of photosynthesis, chemistry of ...
![A-level biology lesson 48: Transport in animals lesson 2 of 2 by Dr. Bbosa Science](https://i.ytimg.com/vi/uhx7fWC8rtA/maxresdefault.jpg)
A-level biology lesson 48: Transport in animals lesson 2 of 2 by Dr. Bbosa Science
Circulatory system in man, definitions of artery and vein, differences ...
![A-level biology lesson 16: Coordination in animals part 2 of 2 by Dr. Bbosa Science](https://i.ytimg.com/vi/Kk2ACkw0TLQ/maxresdefault.jpg)
A-level biology lesson 16: Coordination in animals part 2 of 2 by Dr. Bbosa Science
central nervous system, reflex arc, conditioned reflex, part and ...
![A-level biology lesson 22: Genetic structured revision questions by Dr. Bbosa Science](https://i.ytimg.com/vi/EIPhlJbwQcY/maxresdefault.jpg)
A-level biology lesson 22: Genetic structured revision questions by Dr. Bbosa Science
Well discussed structured questions from national exams
![A-level biology lesson 57: Gaseous exchange by Dr. Bbosa Science](https://i.ytimg.com/vi/kIpk1QVEKUU/maxresdefault.jpg)
A-level biology lesson 57: Gaseous exchange by Dr. Bbosa Science
Need for gaseous exchange surface, adaptations of a gaseous exchange ...
![A-level biology lesson 63: Behaviors by Dr. Bbosa Science](https://i.ytimg.com/vi/Ik3_N_AdwAQ/maxresdefault.jpg)
A-level biology lesson 63: Behaviors by Dr. Bbosa Science
Definitions, instinctive behavior ( reflex, kinesis, taxis) sign ...
![A-level biology lesson 67: Ecology lesson 2 of 3 by Dr. Bbosa Science](https://i.ytimg.com/vi/NMocP94gRnY/maxresdefault.jpg)
A-level biology lesson 67: Ecology lesson 2 of 3 by Dr. Bbosa Science
population, population size, significance of population size, factors ...
![A-level biology lesson 37: Reproduction in animals by Dr. Bbosa Science](https://i.ytimg.com/vi/KIUaUhgwmm8/maxresdefault.jpg)
A-level biology lesson 37: Reproduction in animals by Dr. Bbosa Science
Male and female reproductive systems, spermatogenesis, oogenesis, ...
![A-level biology lesson 72: Cell divisions by Dr. Bbosa David](https://i.ytimg.com/vi/orPWQPpHUug/maxresdefault.jpg)
A-level biology lesson 72: Cell divisions by Dr. Bbosa David
Stages of meiosis and mitosis and comparison between mitosis and meiosis
![A-level biology lesson 5: Cell physiology by Dr. Bbosa Science](https://i.ytimg.com/vi/z5aa4ecrzRU/maxresdefault.jpg)
A-level biology lesson 5: Cell physiology by Dr. Bbosa Science
Diffusion, osmosis, active transport, phagocytosis and pinocytosis for ...
![A-level biology lesson 23: Locomotion in animals part 1 of 2 by Dr. Bbosa Science](https://i.ytimg.com/vi/K1WmhXrk7r8/maxresdefault.jpg)
A-level biology lesson 23: Locomotion in animals part 1 of 2 by Dr. Bbosa Science
Types of skeleton, locomotion in earthworm, locomotion in insects, ...
![A-level biology lesson 13: Photosynthesis Revision of structured questions by Dr. Bbosa Science](https://i.ytimg.com/vi/y8Os-X-H3ds/maxresdefault.jpg)
A-level biology lesson 13: Photosynthesis Revision of structured questions by Dr. Bbosa Science
![A-level biology lesson 34: Excretion revision of essay questions by Dr. Bbosa Science](https://i.ytimg.com/vi/Z1CRqDwvjxw/maxresdefault.jpg)
A-level biology lesson 34: Excretion revision of essay questions by Dr. Bbosa Science
Fully discussed revision questions
![A-level biology lesson 35: Temperature regulation in animals by Dr. Bbosa Science](https://i.ytimg.com/vi/zZF3kaW1a6c/maxresdefault.jpg)
A-level biology lesson 35: Temperature regulation in animals by Dr. Bbosa Science
Significance of temperature regulation, types of temperature ...
![A-level biology lesson 59: Gaseous exchange structured revision questions by Dr. Bbosa Science](https://i.ytimg.com/vi/B7GaCgoURQU/maxresdefault.jpg)
A-level biology lesson 59: Gaseous exchange structured revision questions by Dr. Bbosa Science
Questions selected to test and facilitate understanding
![A-level biology lesson 65: Behaviours structured questions by Dr. Bbosa Science](https://i.ytimg.com/vi/MKstZf2InSU/maxresdefault.jpg)
A-level biology lesson 65: Behaviours structured questions by Dr. Bbosa Science
Questions selected to aid understanding
![A-level Biology lesson 2: Plant cell and animal cells by Dr Bbosa Science](https://i.ytimg.com/vi/P4Ub3mZzmmo/maxresdefault.jpg)
A-level Biology lesson 2: Plant cell and animal cells by Dr Bbosa Science
Lesson 2 Drawings of plants and animal cell; functions of parts of ...
![A-level biology lesson 71: Ecology Essay questions by Dr. Bbosa Science](https://i.ytimg.com/vi/Wxp4x-fcTZE/maxresdefault.jpg)
A-level biology lesson 71: Ecology Essay questions by Dr. Bbosa Science
Questions selected to test and enable understanding of ecology
![A-level biology lesson 21: Genetics objectives revision questions by Dr. Bbosa Science](https://i.ytimg.com/vi/32mkgCNyR3E/maxresdefault.jpg)
A-level biology lesson 21: Genetics objectives revision questions by Dr. Bbosa Science
Well discussed 30 objectives from national exams
![A-level biology lesson 56: Evolution Essay questions by Dr. Bbosa Science](https://i.ytimg.com/vi/MDQSdDPPEfo/maxresdefault.jpg)
A-level biology lesson 56: Evolution Essay questions by Dr. Bbosa Science
Specially selected questions to test and enable understanding of the topic
![A-level biology lesson 52: Evolution lesson 2 of 3 by Dr. Bbosa Science](https://i.ytimg.com/vi/exkX3zvOKEs/maxresdefault.jpg)
A-level biology lesson 52: Evolution lesson 2 of 3 by Dr. Bbosa Science
Genetic pool, allele frequency, genotype frequency, genetic drift, ...
![A-level biology lesson 60: Transport in flowering plants objective questions by Dr. Bbosa Science](https://i.ytimg.com/vi/FJAVK4YIlFk/maxresdefault.jpg)
A-level biology lesson 60: Transport in flowering plants objective questions by Dr. Bbosa Science
Questions selected to test and facilitate understanding
![A-level biology lesson 76: DNA, RNA and protein synthesis objective questions](https://i.ytimg.com/vi/tpND2SG9ZbM/maxresdefault.jpg)
A-level biology lesson 76: DNA, RNA and protein synthesis objective questions
Questions selected to assist a candidate to understand the topic
![A-level biology lesson 17: Coordination in animals, revision of objective questions](https://i.ytimg.com/vi/V16lu7so9tE/maxresdefault.jpg)
A-level biology lesson 17: Coordination in animals, revision of objective questions
Coordination in animals 30 objective revision questions and answers
![Lesson 4 Flowers](https://i.ytimg.com/vi/jE1bJp24CyQ/mqdefault.jpg)
Lesson 4 Flowers
flower description of parts and adaptations
![A-level biology lesson 40: Sexual reproduction in plants by Dr. Bbosa Science](https://i.ytimg.com/vi/ft--xBlDfxo/maxresdefault.jpg)
A-level biology lesson 40: Sexual reproduction in plants by Dr. Bbosa Science
Parts of flowers, pollen grain and ova formation, structures of mature ...
![A-level biology lesson 73: Cell divisions by Dr. Bbosa David](https://i.ytimg.com/vi/-SLHP0-wx8k/maxresdefault.jpg)
A-level biology lesson 73: Cell divisions by Dr. Bbosa David
Questions set to test and aid understanding of cell division at A-level
![A-level biology lesson 60: Transport in flowering by Dr. Bbosa Science](https://i.ytimg.com/vi/Z4_fNQ8QHCE/maxresdefault.jpg)
A-level biology lesson 60: Transport in flowering by Dr. Bbosa Science
structure and adaptations of xylem, structure and adaptations of ...
![A-level biology lesson 24: Locomotion in animals part 2 of 2 by Dr. Bbosa Science](https://i.ytimg.com/vi/3M7nk3XqHKo/maxresdefault.jpg)
A-level biology lesson 24: Locomotion in animals part 2 of 2 by Dr. Bbosa Science
Biceps and triceps, stability and locomotion in tetrapod, locomotion ...
![A-level biology lesson 26: Locomotion in animals structured questions at A-level](https://i.ytimg.com/vi/5asIgd9FcPM/maxresdefault.jpg)
A-level biology lesson 26: Locomotion in animals structured questions at A-level
![A-level biology lesson 74: Asexual reproduction and alternative generation](https://i.ytimg.com/vi/tSKUyDAE_eY/maxresdefault.jpg)
A-level biology lesson 74: Asexual reproduction and alternative generation
Advantages and disadvantages of asexual reproduction, alteration of ...
![A-level biology lesson 39: Reproduction in animals structured questions by Dr. Bbosa Science](https://i.ytimg.com/vi/PxnpBxcC24E/maxresdefault.jpg)
A-level biology lesson 39: Reproduction in animals structured questions by Dr. Bbosa Science
Structured questions chosen to enable a student internalize the topics