Uracil is the nitrogenous base found in RNA but not in DNA.
I would choose the mountain ecosystem.
The mountain ecosystem contains a complex living organisms.
Mountain lands support a diverse array of habitats with large range of plants
and animals. It is very crucial for biological diversity and is very wonderful
to see. The climate is mostly cool which is fitting for relaxation.
Answer:
bacteria, archaea, plants, protists, animals, and fungi,
Explanation: