What is the observable characteristic of a person called?

a. genotype
b. phenotype
c. allele
d. gene

Why does the alligator have one of the strongest bite force and why does it run so fast i need to know i live in florida

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?