Octopus<span> muscle fibers run in all directions; when contracted, they form a "skeletal" support system.</span>
The stomata (or singular, stoma) diffuse carbon dioxide and oxygen through the plant, taking in CO2 and producing O2 for us the breathe.
Plants do not breathe! they give out carbon dioxide and absorb oxygen from the air that surrounds them.
Answer: sporophytes photosynthesise, particularly when immature, but depend on gametophytes for at least 50% of nutrient requirements
Explanation: In mosses, the gametophyte generation is the dominant generation unlike in higher plants. The diploid sporophyte generation produces several spores per capsule.