The answer is D its tightly packed cells allow for proctection against harmful substances.
Answer:
Symbiosis is any type of interaction between two different species of living things in the same environment. A predator-prey relationship is between two animal species —one kills and eats the other. ... Commensalism is an interaction benefiting one organism, and neither benefiting nor harming the other.
Explanation:
Trichomes increase the chances of survival for plants living in areas with infrequent rainfall.
If a plant in a very rainy place had trichomes, it would probably adapt and remove them as time passed as they are unnecessary.