Skip to content
MathsGenie logo
Open app

Course home

x

The Problem of Getting Bigger

The Problem of Getting Bigger

Surface area to volume ratio comparison of 1cm and 3cm cubes

All living cells must exchange substances with their environment. They need to absorb nutrients like oxygen and glucose for respiration, and expel metabolic wastes like carbon dioxide and urea.

The challenges of size Lesson

  1. GCSE
  2. /Biology
  3. /The challenges of size

Step-by-step lessons covering OCR GCSE Biology The challenges of size for Foundation and Higher tier. Each lesson works through exam-style questions in the written papers format. Start with the foundational topics and build up to the higher-tier material.

Lessons