Dead plants decay faster in soil containing earthworms compared with soil containing no earthworms. Explain why.
Model answer: There is more oxygen in the soil with earthwormsThis is required for aerobic respiration (NOT anaerobic - as this does not require oxygen)Therefore, the bacteria/microbes decompose the plant decay faster
EG
Related Biology GCSE answers
All answers ▸What are the differences between plant and animal cells?
what are the types of speciation and how do they occur?
Doctors are now prescribing fewer antibiotics to reduce the evolution of antibiotic resistant bacteria. Describe the process of evolution of antibiotic bacteria. [6 marks]
What are embryonic stem cells? Why are stem cells useful to doctors + why this discovery may make fewer people object to their use