The first process is called transcription where the DNA's information is used to make mRNA. The second process is called translation where the tRNA comes with an amino acid to drop off. A chain of amino acids will eventually be formed to create a protein. Transcription comes before translation. Think that you have to script something before you can translate it.
They have both DNA and RNA as their genetic material.
In the grassland trees and shrubs are rarely anywhere compared to the temperate forest. The animals don’t have a lot of shelter in the grasslands compared to the temperate forests.
Glacier because ice sheet and stuff and science ill explain more in the comments