Why was the transition from purple bacteria to green bacteria important for the evolution of complex organisms

Which is true of the regious near earth equator

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.