C2. Cells | IB Biology

THEME C

C2. Cells

Interaction and Interdependence

Explore how cells communicate through chemical and neural signalling mechanisms that coordinate complex biological processes.

📡 C2.1 Chemical Signalling

Study how cells use chemical messengers to communicate and coordinate responses across organisms at the molecular level.

HIGHER LEVEL

Student Slide Set End of Topic Quiz

HIGHER LEVEL

Workbook (Higher Level)

⚡ C2.2 Neural Signalling

Examine how nervous systems transmit electrical and chemical signals to enable rapid communication and responses.

STANDARD LEVEL

Student Slide Set End of Topic Quiz

HIGHER LEVEL

Student Slide Set End of Topic Quiz

STANDARD + HIGHER LEVEL

Workbook (Both Levels)

SL+HL

📡

C2.1 Chemical Signalling

SLIDES

C2.1 Chemical Signalling (HL) – Student Slide Set

💡 Use arrow keys or click to navigate slides

View Slides 1

QUIZ

C2.1 Chemical Signalling (HL) – End of Topic Quiz (20 marks)

📝 Complete the quiz above and submit your answers

Take Quiz 2

DOC

C2.1 Chemical Signalling – Workbook (HIGHER LEVEL)

📖 Questions and answers workbook for Higher Level students

View Workbook 3

⚡

C2.2 Neural Signalling

SLIDES

C2.2 Neural Signalling (SL) – Student Slide Set

💡 Use arrow keys or click to navigate slides

View Slides 4

QUIZ

C2.2 Neural Signalling (SL) – End of Topic Quiz (20 marks)

📝 Complete the quiz above and submit your answers

Take Quiz 5

SLIDES

C2.2 Neural Signalling (HL) – Student Slide Set

💡 Use arrow keys or click to navigate slides

View Slides 6

QUIZ

C2.2 Neural Signalling (HL) – End of Topic Quiz (20 marks)

📝 Complete the quiz above and submit your answers

Take Quiz 7

📚

Shared Materials (Standard + Higher Level)

DOC

C2.2 Neural Signalling – Workbook (STANDARD + HIGHER LEVEL)

SL+HL

📖 Questions and answers workbook for both Standard and Higher Level students

View Workbook 8