Which one of the following sets inculdes only the vestigial structures in man?
Body hair, olecranon process, coccyx patella
Wisdom teeth, mammarcy glands, coccyx, patella
Coccyx, nictitating membrane, vermiform appendix, ear muscles
Coccyx, body hair, ear ossicles, vermiform appendix
Parallelism is ___________.
adaptive divergent
adaptive convergence of widely different species
adaptive divergent convergence of closely related groups
adaptive convergence of widley separated species
Two gegraphical regions separated by high mountains are ____________.
Oriental and Australian
Palaearctic and oriental
Nearctic and palaearctic
Neotropical and Ethiopian
The homologous organs are those that show similarity in _______________.
size
origin
function
appearance
Which of the following statements about fossil human species is correct?
Fossils of Homo neanderthalensis have been found recently in South America
Neanderthal man and cro - magnon man did exist for sometime together.
Mendelian populations
Homo erectus was preceded by Homo habilis
Evolution is _____________.
Progerssive development of race
History and development of race along with varaitions
History or race
Development of race
Identify the correct sequence in which the following substances have appeared during the course of evolution of life on earth _______________.
Glucose, aminoacids, nucleic acids, proteins
ammonia, amino acids, proteins, nucleic acids
water, amino acids, nucleic acids, enzymes
amino acids, ammonia, phospahtes nucleic acids
Weismann cut off tails of mice generation after generation but tails disappeared nor shoertened showing that ____________.
Darwin was correct
Appearance of recessive genes
gene frequency from one generation to next
None of the above
Correct order is _______________.
palaeozoic → Archaeozoic → Coenozoic
Archaeozoic→ palaezoic→ protenozoic
Palaeozoic →Mesozoic → coenozoic
Mesozoic → Archaeozoic→ proterozoic
Theory inheritance of acquired characters was given by ____________.
Wallace
Lamarck
Darwin
de vries