In humans, B is the allele from brown eyes and b is the allele for the blue eyes. Two brotherd both have brown eyes, but one of then has a B and b allele, while the other only has B alleles. Which statement is true about the brothers?

Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary

How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.

What are the formed elements (cell or parts of cell) in blood and what are their functions ?