WHAT IS ADAPTIVE RADIATION?

Question 1

Where did Darwin observe an amazing diversity of creatures ?

Answer 1

Galapagos Islands

Question 2

Small black birds later called ________ amazed him.

Answer 2

Darwin’s finches

Question 3

All the varieties of finches evolved on the island itself.

True/false

Answer 3

True

Question 4

Orginial finches had ____________ beak

Answer 4

seed-eating

Question 5

Altered beaks arose, enabling them to become ________ and ______

Answer 5

Insectivorous, vegetarian

Question 6

What is adaptive radiation?

Answer 6

Process of evolution of different species in a given geogrophical area starting from a point and literally radiating to other areas of geography (habitats)

Question 7

Another example of Adaptive radiation except Darwin’s finches is _____________

Answer 7

Australian marsupials

Question 8

A no. of marsupials evolved from an ________ but all within the ____________

Answer 8

ancestral stock, Australian island continent

Question 9

When more than one adaptive radiation appeared to have occured in an isolated geographical area (representing different habitats), one can call this __________________

Answer 9

Convergent evolution

Question 10

________________ in Australia also exhibit adaptive radiation.

Answer 10

Placental mammals

Question 11

Placental mammals appear similar to _____________

Answer 11

corresponding marsupial

Placental wolf - Tasmanina wolf(marsupial)