The atmosphere became oxidising with the appearance of
Autotrophic bacteria
Autotrophic cyanobacteria
Land plants
Algae
Which of the following was most similar to modern man ?
Mutation introduces new genes into a species and brings about the changes in
The diagram represents Miller's experiment. Choose the correct combination of labelling.
Who concluded that existing living forms sharesimilarities to varying degrees not only among them selves but also with life forms that existed millions of years ago ?
Which of the type of respiration probably arose first?