Book a tutor
SearchResourcesRevision notesFlashcardsMind mapsExam questionsTopic testsPracticalsGCSE Biology coursesAQA GCSE Biology (8461)AQA GCSE Combined Science: Trilogy (8464)Edexcel GCSE Biology (1BI0)Edexcel GCSE Combined Science (1SC0)IGCSE Biology coursesCambridge IGCSE Biology (0610)Cambridge IGCSE Combined Science (0653)Edexcel International GCSE Biology (4BI1)Edexcel International GCSE Science (Double Award) (4SD0)IB Diploma Biology coursesIB Diploma Biology SLIB Diploma Biology HLMoreAboutContact
Book a tutor

IB Diploma Biology SL, 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 to body temperature.

Subtopics

Work through them in order. Each one has notes, exam questions and flashcards, and a PDF of each.

  1. 1Reproduction Spec D3.1IB Biology D3.1: sexual and asexual reproduction, human reproductive systems, the menstrual cycle, IVF and flowering plant reproduction.NotesQuestions 5Flashcards 19
  2. 2Inheritance Spec D3.2IB Biology D3.2: genetic crosses, dominance, PKU, ABO blood groups, sex linkage, pedigrees and box plots.NotesQuestions 5Flashcards 22
  3. 3Homeostasis Spec D3.3IB Biology D3.3: homeostasis and negative feedback, blood glucose, diabetes and thermoregulation.NotesQuestions 5Flashcards 14

Whole topic

When you have done the subtopics: test yourself on everything, or print the lot.

Revision notesAll revision notesEvery subtopic in one PDF · 26 pagesDownload PDFWorksheetTopic testAll 15 questions (53 marks) with the mark scheme · 10 pagesDownload PDF
FlashcardsAll flashcards55 cards from every subtopicPractisePrint
Mind mapMind mapThe whole topic on one pageViewPDF