Negative Staining is used for examining.

TLS Online TPP Program

#Question id: 4594

#Unit 11. Evolution and Behavior

Which one of the following observations did Darwin first make during his discovery of evolution?

TLS Online TPP Program

#Question id: 4599

#Unit 11. Evolution and Behavior

Many crustaceans (for example, lobsters, shrimp, and crayfish) use their tails to swim, but crabs have reduced tails that curl under their shells and are not used in swimming. This is an example of ________.

TLS Online TPP Program

#Question id: 15725

#Unit 11. Evolution and Behavior

Alfred Russel Wallace (1823–1913), who was collecting specimens in the Malay Archipelago, had independently conceived that

TLS Online TPP Program

#Question id: 15724

#Unit 11. Evolution and Behavior

Neo-Lamarckism includes several theories based on the old idea of inheritance of modifications acquired during an organism’s lifetime. In a famous experiment done by,

TLS Online TPP Program

#Question id: 15723

#Unit 11. Evolution and Behavior

Neutral theory of molecular evolution of is given by,

TLS Online TPP Program

#Question id: 15722

#Unit 11. Evolution and Behavior

The variation that arises is directed toward fixed goals, so that a species evolves in a predetermined direction by some kind of internal drive, without the aid of natural selection. This hypothesis is known as,