A new study reveals that the aerobic nitrogen cycle in the ocean may have occurred about 100 million years before oxygen began to significantly accumulate in the atmosphere, based on nitrogen isotope ...

Respiration is the physiological process through which oxygen in the environment can be exchanged with carbon dioxide from an organism. This process requires specialized organs such as the lungs ...

Save guides, add subjects and pick up where you left off with your BBC account. Revising cellular respiration? Test your knowledge with this Higher Human biology quiz.

Female anatomy includes the internal and external structures, including those responsible for hormones, reproduction, and sexual activity. The female reproductive system is essential for hormone ...

This project contains the R code used for data-processing and statistical analysis for the research paper Temporal changes of global soil respiration since 1987 (Lei et al.,2020). All datasets in ...