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
Humming birds and hawk illustrate ________________.
Convergent evolution
Homology
Adaptive radiation
Parallel evolution
Basic principles of embryonic development were pronounced by _____________.
Von Bear
Weismann
Haeckel
Morgan
What was absent in the atmosphere at the time of origin of life's
NH3
H2
O2
CH4
The homologous organs are those that show similarity in _______________.
size
origin
function
appearance
Which one is irrelevent to evolution of man?
Perfection of hand for tool making
Increased ability to coomunicte or develop community behaviour
Change of diet from hard nuts/roots to soft food
Loss of tail
Common origin of man and chimpanzee is best shown by _________________.
bandinig pattern in chromosomes number 3 and 6
cranical capacity
binocular vision
dental formula
The first organisms were _______________.
Chemoautotrophs
Chemoheterotrophs
Autotrophs
Eukaryotes
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