ORIGIN AND EVOLUTION OF LIFE

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
1. The explains the Origin of Universe.
2. units of life called (Panspermia) were transferred to different planets including earth.
3. The degenerated and non-functional organs of animals are called organs.
4. The reappearance of ancestral characters in some individuals is called .
5.The fore limbs of mammals are structures.
6. The organs look similar and perform similar functions but they have different origin and developmental pattern.
7.Biogenetic law or Recapitulation theory was given by
8.Palaeontology deals with the study of
9.The origin of modern birds is supported by the evidences from .
10. is the oldest known fossil bird.