What does petals do in a flower?

How are the following terms related Binomial Nomenclature Genus Species? Is a gene all of an organism's DNA or only a segment of DNA? What is an organ that changes liquid waste into semisolid waste? Why there is necessity to compare riverine and estuarine ecosystems? What happens if the ozone layer breaks? Definition of prokaryotic species? What part of the water cycle comes from rivers and lakes? What is the formula for Carbon textraoxide? How much earths can fit into Jupiter? When was magnetism discovered? How do simple squamous cells appear when looking at the surface of the tissue? Where can someone send red roses online? Cells get energy to build molecules from ADP and? Could the sun emit radiation of many wavelengths? What evidence is there to suggest there may be life on other planets? What are Huge fiery arms around the sun? When you straighten your leg what muscles contract and relax? Which gases will have higher kinetic energy per mole at same pressure and temperature? Are the membranes in a dialysis machine permeable or selectively permeable? What are two effects that produce increasing in the temperature?