I honestly don’t know, I just need to answer this so I can ask a question ⚪️⚪️⚪️⚪️⚪️⚪️⚪️⚪️⚪️ ⚪️⚪️⚪️⚪️⚪️⚪️⚪️⚪️⚪️ ⚪️⚪️⚪️⚪️⚪️⚪️⚪️⚪️⚪️
A good index fossil is one with four characteristics: it is distinctive, widespread, abundant, and limited in geologic time. Because most fossil-bearing rocks formed in the ocean, the major index fossils are marine organisms
Fixation
Nitrogen is converted from atmospheric nitrogen (N2) into usable forms, such as NO2-, in a process known as fixation. The majority of nitrogen is fixed by bacteria, most of which are symbiotic with plants. Recently fixed ammonia is then converted to biologically useful forms by specialized bacteria
Answer:
The lipids of the cell membrane and the lipids found in butter and vegetable oil differ in the number of fatty acids attached to the glycerol molecule.
