Question 1
FThe Figure shows a food web in a woodland.
Figure
a.[1]
Name one producer in the food web.
b.[1]
Give the name of one organism that competes with the rabbits for food.
c.[2]
A disease kills most of the blue tits in the woodland.
Explain the effect this could have on the number of caterpillars.
d.[3]
Many of the oak trees in the woodland are cut down.
Explain why the number of owls could decrease.
e.[1]
The organisms in the woodland are interdependent.
State what is meant by interdependence.
9.1 Ecosystems and interdependence Questions
39 exam-style questions on Edexcel GCSE Biology 9.1 Ecosystems and interdependence, covering 9.1.1 Levels of organisation in ecosystems, 9.1.2 Abiotic and biotic factors, 9.1.3 Importance of interdependence, 9.1.4 Parasitism and mutualism, and 9.1.5 Determining number of organisms in an area. Each one has a worked solution and a mark scheme showing where the marks go.