IB Diploma Biology HL, topic D3
Organisms (Continuity and change)
How organisms reproduce, pass on their genes and keep their internal conditions stable. D3.1 covers sexual and asexual reproduction in humans and flowering plants, D3.2 covers the patterns of inheritance, and D3.3 covers homeostasis, from blood glucose and body temperature to the kidney at HL.
Revision notes
Worksheet
FlashcardsSubtopics
Work through them in order. Each one has notes, exam questions and flashcards, and a PDF of each.
- 1Reproduction Spec D3.1IB Biology D3.1: sexual and asexual reproduction, human reproductive systems, the menstrual cycle, IVF, flowering plant reproduction and HL pregnancy.NotesQuestions 8Flashcards 30
- 2Inheritance Spec D3.2IB Biology D3.2: genetic crosses, dominance, PKU, ABO blood groups, sex linkage, pedigrees, box plots and HL dihybrid crosses, linkage and chi-squared.NotesQuestions 8Flashcards 29
- 3Homeostasis Spec D3.3IB Biology D3.3: homeostasis and negative feedback, blood glucose, diabetes, thermoregulation, and HL kidney function, ADH and blood supply.NotesQuestions 8Flashcards 22
Whole topic
When you have done the subtopics: test yourself on everything, or print the lot.