Which of these is the smallest unit that natural selection can change?

a) a speciesê¹ gene frequency
b) a populationê¹s gene frequency
c) an individualê¹s genome
d) an individualê¹s genotype
e) an individualê¹s phenotype

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii