Abiologist is studying a structure that is made up of two layers of phospholipids what is she most likely studying

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

How much time has elapsed from the very beginning of "the memior of the conquistador bernal diaz del castillo" to the end? a. castillo's whole life b. a quarter of an hour c. a few weeks d. a decade

Which could be a pathway of food through an ecosystem