What is the smallest packet of electromagnetic energy that can be absorbed or emitted?

a proton
an electron
a quantum
a wave

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?

Archaebacteria use for movement. celia flagella pili cell walls