A student lists every plant and animal species in a pond but leaves out the fungi and bacteria.
Why is this not a complete description of the pond community?
A community includes only the populations of animals.
A community includes the populations of all living species.
A community includes only the populations of producers.
A community includes the water and all dissolved minerals.
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.