X - linked traits appear more often in males because males only have one x chromosome. One copy of an x - linked trait is all that a male would need to possess that trait. Females have two x chromosomes, so they would require 2 copies of the x - linked trait in order to possess it.
If a plant uses up all of the carbon dioxide this would just keep makeing
oxygen or its known as photosynthesis. I'm NOT a 100% sure If this is
is the correct answer or not.