You plant a seed into a pot containing some soil,and then add water and place the pot under a light.In the first week,before the seedling even emerged from the soil,carbon dioxide levels increased in the closed chamber.This indicated that __________ was occurring.

Question

Quizplus · Accepted Answer

Before the seedling emerged, there was no plant to carry out photosynthesis. Therefore, any increase in carbon dioxide levels can only be due to the process of cellular respiration by soil microorganisms or any other organisms in the pot.

You Plant a Seed into a Pot Containing Some Soil,and