{% extends 'base.html' %} {% block title %}annotation{%endblock%} {% block title_num %}
All organisms use a source of energy for their metabolic activities . Some organisms capture energy from the sun and convert it into chemical energy in food ; others use chemical energy in molecules they take in as food . Living things are highly organized and structured , following a hierarchy that can be examined on a scale from small to large . The atom is the smallest and most fundamental unit of matter . It consists of a nucleus surrounded by electrons .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.