If tall plants crossed with short plants give all tall, it means that the tall plants contain genes that dominate over the short ones.
We call the genes for tallness dominant.
Chemical energy...................
Answer: The cell is the structural and functional unit of all living organisms, and is sometimes called <u>the "building block of life."</u> Some organisms, such as bacteria, are unicellular, consisting of a single cell.
If later is was 100 million years ago, later b would be 200 million years ago (because it is 100millions years prior to a). And therefore layer c must b 300 million years ago.
Hormones are sent throughout the system