6 Communicating Concepts Write a para- graph explaining how scientific explanations
change. Include information about why scien-
tists propose new theories. Also, describe how
scientists evaluate new theories.

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.

With regard to enzymes, key is to lock as a) substrate is to activation energy eliminate b) product is to substrate. c) enzyme is to active site. d) substrate is to active site.