Question

fill in the blank with the word that best completes each sentence. all organisms are made up of , the basic unit of structure and function. is the ability to do work and allows living things to perform all the functions necessary to live.

Explanation:

In biology, cells are the basic unit of structure and function for all organisms. Energy is the ability to do work and enables living - things to perform life - sustaining functions.

Answer:

1. cells
2. Energy