# Which of these is not a habitat

$\begin{array}{1 1}(a)\;\text{High mountain tops}\\(b)\;\text{Boiling thermal springs}\\(c)\;\text{Human intestine}\\(d)\;\text{Sterile beaker}\end{array}$

Sterile beaker is not a habitat.
Hence (d) is the correct answer.
answered Apr 1, 2014