Organisms with the most favourable traits will increase their success rate in a particular environment. Organisms with favorable traits are more likely to reproduce and pass on their traits than organisms without favorable traits, allowing it to survive.
They grow and develop all year. this gives them an advantage over other trees.
Because the cave was moist it made the cave have fog
Not really sure on that one but I can answer the question below called Define Osmosis. :)
C, the first two don't make sense and the last one would support the opposing view point.