Question

which of the following is known as oldest living fossil ? a) Eubacteria b) archaebacteria c) protozoa d) aerobic​

Answer 1

Answer

Archaebacteria are the oldest living organism. They can be found in some of the harshest environments. Traces of Archaebacteria have been seen in 3.8 billion-year-old fossil. Thus, are claimed as the oldest living organism.

Answer 2

$\large\mathbf{QUESTION}$

which of the following is known as oldest living fossil ?

a) Eubacteria

b) archaebacteria

c) protozoa

d) aerobic

$\huge\underline\bold\pink{Answer}$

${b)\: archaebacteria}$

$\huge\mathfrak{\: \: \: \: \: \: hope \:that \:helps!!!}$