Your answer should be lakes and forests. Acid precipitation will rot out forests because of the acid content and in lakes it raises the PH balance making it more acidic which in turn makes it harder for anything to live in these lakes or drink from them. (Hope this helps ^-^)
> examples of parasitism
~A Tetragnatha montana spider parasitized by an Acrodactyla quadrisculpta larva.
~A Lithognathus fish parasitized by a Cymothoa exigua parasite.
>examples of mutualism
~Hummingbird Hawkmoth drinking from Dianthus. Pollination is a classic example of mutualism
~The Red-billed Oxpecker eats ticks on theimpala's coat
>examples of predators-prey
~ Wolves and deer.
~ Hawk and rabbit.
>examples of producer-consumer
~A grasshopper eating grass
~A fish eating algae
The term that refers to the knowledge that the quantity of a substance is entirely unrelated to their arrangement and physical appearance is known as conservation. This includes the number, mass, length, weight, area, and volume of the objects. Based on this knowledge, one can say that the substance's appearances can be deceiving when it comes to its quantity.
Hence, the answer is 'conservation'.
