Explanation:
DNA is divided into functional units called genes. A gene is a segment of DNA that codes for a functional product (mRNA, tRNA, or rRNA). Since the vast majority of genes are transcribed into mRNA and mRNA is subsequently translated into polypeptides or proteins, most genes code for protein synthesis.
Brain
Lunges
Stomach
Liver
Answer:
The answer is 1. Carbon Dioxide
Depending on the similarity of the plant species .
Same species usually have similar looking or have similar function of pollen
whereas different species of plant differ in method of spreading their seeds therefore their seeds differ in shape size weight etc ...
a hibiscus plant containing a flower has pollen that are small and grainy which enables it to stick to insects when they come for the juicy nectar. For a coconut tree it has seed which large in size hollow and light weight enabling it to float in water and reach another place to grow and increase their species once again