In the origin of life, microspheres are most primitive protobiont, which have a membrane of
Lipids and proteins
Lipids
Carbohydrates
fats
Weismann cut off tails of mice generation after generation but tails neither disappeared nor shortened showing that
Which of the following is vestigial organ in humans
Connecting link between ape and man is
Assertion : The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
Reason :The first autotrophic organisms were the chemoautotrophs that never released oxygen.