Answer: mucilaginous sheath
Explanation:
Osmosis refers to the movement of water!!
Survival of the fittest. If one organism thrives better in an enviornment and the other organism struggles, the one that is more adapted will obviously play a part in helping the less adapted organism die out. Food is a major point along with other aspects
Answer:
Polygenic traits are controlled by a number of separate genes.
Hope it helps! :D
