How does your body know it needs to release more bile and pancreatic juices into the small intestine?

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Select the correct answer from each drop-down menu proteins are