The answer is b it is being bred for a trait that is favored by humans
Answer:
oxygen gas
Explanation:
because oxygen is needed for life on Earth
The external cell membrane. Even organisms as simple as bacteria have a cell membrane.
Prokaryotes do not have internal membranes but they still have external membranes.
Everything living thing has a cell membrane
Your going to need show us the experiment, sense all of those are functions there is no question or details for us to answer your question
Excessive concentration of phosphorus<span> is </span>considered a pollutant because<span> crops often cannot absorb all of the fertilizer in the soils, causing excess fertilizer runoff and increasing phosphate levels in bodies of water.</span>