The correct option is LIZARD AND FROG.
Predator refers to an animal which uses another animal as food. In the question given above, we are told that the insect is consumed by the frog and the lizard. This means that the frog and the lizard are the predators of insects.
It makes sure they are in perfect condition for it to go through the cell cycle easier
This process is called Denitrification. The process is undertaken by the denitrifying bacteria, whose action is converting nitrates in the soil to free atmospheric nitrogen and therefore, depleting soil fertility and reducing agricultural productivity. Examples of denitrifying bacteria are thiobacillus denitrificans, micrococcus denitrificans among others.
The answer is Deoxyribose