The homologous organs are those that show similarity in _______________.
size
origin
function
appearance
Evolution is _____________.
Progerssive development of race
History and development of race along with varaitions
History or race
Development of race
The first organisms were _______________.
Chemoautotrophs
Chemoheterotrophs
Autotrophs
Eukaryotes
Humming birds and hawk illustrate ________________.
Convergent evolution
Homology
Adaptive radiation
Parallel evolution
Which one does not faovur Lamarckian concept of inheritance of acquired characters?
Lack of pigment in cave dwellers
Absence of limbs in snakes
Presence of webbed toes in aquatic birds
Melanization of prepared moth in industrial areas
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
Basic principles of embryonic development were pronounced by _____________.
Von Bear
Weismann
Haeckel
Morgan
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
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
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
