A population cannot continue to increase forever because each population has a carrying capacity, which is the max number of organisms that can live in an environment with the available resources. At some point, each population will hit their carrying capacity when they run out of resources.
The breakdown of tertiary and quartinary structures in a protein, a change in the active site
what are you asking just to be clear
chloroplasts is an organelle that actually carry out the photosynthetic activity will be unable to function if placed in a dark environment.