Which subatomic particles are arranged in various energy levels or orbitals?
a. electrons only
b. protons only
c. neutrons only
d. electrons and protons
e. protons and neutrons

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.