Skip to content

Course home

Sign up

2.2 Animal tissues, organs and organ systems

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051
Question 6
F

Scientists recorded the diet and health of 5000 adults for 20 years. They found that the adults who ate more red meat had a higher rate of bowel cancer.

a.

The scientists said there is a correlation between eating red meat and bowel cancer. Give the meaning of the term correlation.

[1]
b.

Explain why this correlation does not prove that eating red meat causes bowel cancer.

[2]
c.

Suggest one other factor about each adult that the scientists should have recorded.

[1]
Markscheme

2.2 Animal tissues, organs and organ systems Questions

  1. GCSE
  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems

179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank