Drosera and Monotropa carry out heterotrophic mode of nutrition. But they are categorized in different groups

True, the standard unit for volume is liters which can be represented by either a lower case "l" or a capital "l"

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.