Darwinʹs mechanism of natural selection required long time spans in order to modify species. From whom did Darwin get the concept of Earthʹs ancient age?

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#Question id: 5559

#SCPH28 | Zoology

During fertilization, the acrosomal contents ________.

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#Question id: 5134

#SCPH01 Biochemistry

Match the following cleavage patterns with the species in which they occur.

        Species                                           Cleavage Pattern

      A. Flatworm                                       i. Meroblastic discoidal

      B. Frog                                               ii. Meroblastic superficial

      C. Birds                                              iii. Holoblastic displaced radial

      D. Insect                                              iv. Holoblastic spiral

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#Question id: 14135

#SCPH05 I Biotechnology

Which of the following statement is correct about PAM matrix? 

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#Question id: 5055

#SCPH28 | Zoology

There are at least two components to every inductive interaction-

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#Question id: 10706

#SCPH28 | Zoology

Assuming community occupy by 4 species with number 10, 20, 10, 20. What is Shannon weaver index of that community?