Complete the chain from chemistry to life

Exercise and reference answers

Missing parts

1. Answer

   chemical

   Choices

   1. chemical
   2. cultural
   3. physical

2. Answer

   cellular

   Choices

   1. cellular
   2. vertebrate
   3. aquatic

Complete the statement

Most scientists believe {0} evolution, the formation of biomolecules, preceded the appearance of the first {1} forms of life.

Explanation