The outer coverings that are tough but, flexible provided protection to the land plants.
Chromosome is to cactus as gene is to a needle.
I have no clue, there is nothing else here to support your question.
Lithosphere would go with Solid Rock.
Outer Core would go with Liquid Iron.
Inner Core would go with Solid Iron.
Asthenosphere would go with Liquid Rock.
Hope I helped!
