It basically means the oldest rocks and newest rocks are organized from top to bottom, like a bunk bed, oldest at the bottom, newest at the top in chronological order.
Answer:
6) 1. Crossing over: crossing over can mean any number of things. It could mean transforming, like making a change, or something as silly as crossing a bridge. In biological terms, it means transforming onto another stage, like a caterpillar making a chrysalis so it can cross over ino the final stage of its life: a beautiflul butterfly.
2. Its during the S phase when the chromosomes are replicated also they significant cell growth occurs.
7) 1. The parent cell in mitosis starts out as a diploid cell and it splits into two haploid daughter cells.
2. diploid spores that undergo meiosis.
8) I don’t know
9) 1. Sex cells have half a set of chromosomes, 23, while parent cells have 46.
Explanation: that all the answer there but for number 8 it look like the same question but uh..., hope this help
An mRNA template is used to create an amino acid chain.
