Scale insects mature as sessile.
Is a disadvantage because sessile means nonmotile, which means food has to be readily there for them which it's just not bc land animals typically have to keep moving to survive
A Respiration by animals CO2 is being added.
B trees burning same
C tree leaves removed
D oil added
B They use up food and water and end up killing native species
I think its 4 hope that helped
