Ok so take any plant in for say a forest for example. If a certain plant dies an animal wont be able to feed off of it . If that animal only eats that plant, it's gonna die off starvation. That species in that ecosystem would be no more. If all the water evaporated in a lake then all the fish would die and the animals in the forest would need to find something else to drink out of.
Wait and be patience for the medication, it could take some more time in certain cases
A chromosome is a Deoxyribonucleic acid molecule with part or all of the genetic material of an organism.
