Firm evidence of organic evolution can be provided by the:
A.Presence of gill slits in embryos
B.Presence of excretory organs in earthworm and frog
C.Presence of legs in mammals and arthropod
D.Presence of wings in all insects
A.Presence of gill slits in embryos
B.Presence of excretory organs in earthworm and frog
C.Presence of legs in mammals and arthropod
D.Presence of wings in all insects
A.Reptiles
B.Birds
C.Mammals
D.Amphibians
A.Tectology
B.Histology
C.Physiology
D.None of these
A.Anaximander
B.Lamarck
C.Osborn
D.All of these
A.Lamarck
B.De Vries
C.Von Haeckel
D.Oparin
A.Antigers
B.Antibodies
C.Both (a) & (b)
D.None of these
A.Kiwi
B.Ostrich
C.Archaeopteryx
D.Pelican
A.TRUE
B.FALSE
C.Partially false
D.No idea
A.Mesozoic era
B.Cenozoic era
C.Paleozoic era
D.Proterozoic era
A.Metazoans formed protozoans
B.Origin of metazoans has been from protozoan ancestors
C.Both protozoa and metazoa are not related to each other
D.Protozoans after degeneration formed metazonas