1. T
3. Molecules
I hope this helps, sorry didn't know 2
The cell is the smallest functional unit of life, which is why it is sometimes referred to as the building block of life.
Answer: Option A.
Fitness.
Explanation:
Fitness is the survival or reproductive rate in which a genotype or phenotype have the ability to reproduce more successfully or leave offsprings relative to other genotypes or phenotypes. It is the quantitative representation of natural or sexual selection. It is represented by w.