When an organism is exposed to a limited quantity of oxygen, the cell's mitochondria will stop cellular respiration involving the Krebs cycle and enter the process of fermentation to survive, it means <span>Fermentation must create a net gain of ATP.</span>
Some answers can be:
When there is no selective pressure
When there is low gene flow
When there is a bottleneck
The research about Linnaeus helped us discover the similarities between different species.The fossils help us understand like taxonomy
I believe the correct answer is a. mutations.
