Answer:
Deforestation is the major problem causing lack of rich species in Costa Rica. This is due to over grazing by cattle.This may lead to flooding which affect fertility of the soil.These animals graze on the plants without regulations,and cause erosion as their hoofs percolate the soil, further reducing soil fertility.
In addition to sustain the beef production, trees were fell to for cattle ranching.This ultimately contributed to loss of the forest species.
Banana plantation is an additional factor.Forest were cleared to cultivate banana, which affects forest population.
Explanation:
IT'S A BECAUSE THE ENTIRE PUBLIC WILL GET AFFECTED BY CHOLERA.
https://www.ducksters.com/science/biology/plant_defenses.php
Kids learn about plant defenses in the science of biology including cell walls, ... In order to keep pathogens and small bacteria from getting inside, plants have rigid cell ... Many trees and bushes have a thick bark on their branches and stems that ... Some plants use thorns to protect themselves from being eaten by larger ...