The plasma membrane is considered a barrier to the environment because no molecules may pass through it it controls the passage of molecules into the cell it is located outside of the cell wall only water and small molecules may penetrate the membrane

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

The climate on the leeward side of a mountain differs from that on the windward side mostly in

The image shows a sandstone formation with visible bands of different colors. what do the bands indicate about how this sedimentary rock was formed? choose two answers. a). the rock was made from more than one material. b). water was absent during the compaction and cementation process. c). sediments and other matter were deposited in layers before lithification. d). the rock was stretched horizontally by the pressure from surrounding rocks. e). layers of hot liquid in the rocks cooled and solidified at different tempatures