In this foodchain the blank has the least energy available to it for its life processes

a)omnivore or fish
b)producer or algae
c)carnivore or hawk
d)herbivore or shrimp

C: Carnivore or Hawk.

Explanation:

You only get 50% of the energy that your prey got. So, it gets smalller and smaller with every prey. Sence the hawk is at the top, he get the least. Therefore, he has to eat more.

can you give us the passage> ?

explanation:

  this riddles' answer is library.

  the "leaves" are a reference to the books' pages that the library contains; the branches are a network of libraries that connect multiple libraries' collections, resources, and items in a system of a common database, integrating them; the branches' organization are a useful management tool for coordinating the multiple collections many libraries have.