The electrons needed by photosystem ii originate from water.
An example of selective breeding is breeding cattle to produce better meat.
Endocytosis carry substances into the cells, and exocytosis is what the cell rejects.
False, because most organisms decompose fairly quickly after they die. For an organism to be fossilized, the remains usually need to be covered by sediment soon after death. hope this helps :))
Nutrients enter a cell up the concentration gradient by the process of active transport.
