Quiz · Cultivating curiosity: the wonders of soils

Quiz

4 questions · Pass at 70% · +30 pts on first pass

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Question 1 · Single choice — select one

Which statement best describes the soil food web?

It is a network of organisms that are connected through feeding relationships and other biological and ecological interactions. It is a classification system that groups soil organisms according to their body size. It describes how plants absorb nutrients directly from mineral particles. It refers only to microorganisms involved in decomposition.

Question 2 · Single choice — select one

Why are interactions between soil organisms in the food web important?

They determine which organisms are able to photosynthesise underground. They allow energy and nutrients to move through the soil ecosystem and support many soil processes. They ensure that every soil organism occupies a unique soil horizon. They prevent microorganisms from competing with each other.

Question 3 · Single choice — select one

Which group of soil organisms forms the foundation of the soil food web by decomposing dead organic matter?

Earthworms and springtails Mites and nematodes Bacteria, archaea and fungi Bees and other pollinating insects

Question 4 · Single choice — select one

Which statement best explains why soils are considered living ecosystems?

Soil contains water, air and mineral particles. Soil organisms continuously interact with one another and with their environment, shaping many ecosystem processes. Soil supports plant roots in natural ecosystems. Soil contains organic matter produced by plants.