Complete the definition of an ecosystem

Exercise and reference answers

Missing parts

1. Answer

   functional

   Choices

   1. functional
   2. temporary
   3. artificial

2. Answer

   abiotic

   Choices

   1. abiotic
   2. organic
   3. living

Complete the statement

An ecosystem is a structural and {0} unit of nature, comprising {1} and biotic components.

Explanation