Barnacles on whales, the barnacles are there but no one really benefits
Many give off chemicals called toxins, which can damage tissue and make you sick. Examples of bacteria that cause infections include Streptococcus, Staphylococcus, and E. coli.
Deforestation impacts the water cycle by releasing water vapor back into the atmosphere.Without trees and the other vegetation needed to maintain soil integrity, forested land can quickly become a barren desert that lacks the moisture needed to maintain local lakes and rivers
Global warming is an rise in global temperatures, mainly because of the increasing concentrations of greenhouse gases in the atmosphere.