First life form on earth was a...

First life form on earth was a

A

cyanobacterium

B

chemoheterotroph

C

autotroph

D

photoautotroph.

Text Solution

Verified by Experts

The correct Answer is:

B

It is presumed that the first living organisms were chemoheterotrophs that obtained energy by the fermentation of complex organic substances available to them from the sea broth. They were anaerobes.

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Knowledge Check

The first life on earth was originated by:

A

Chemical synthesis

B

Spontaneous generation

C

Pre existed life

D

Panspermia

1st life on earth was

A

Cyanobacteria

B

Chemoheterotrophs

C

Autotrophs

D

Photoautotrophs

First life on eath was

A

Cyanobacteria

B

Chemoheterotrophs

C

Autotrophs

D

Photoautrophs

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