Two are true, one is not

Exercise and reference answers

Questions

1. False statement

   Cellular life preceded chemical evolution

   Statements

   1. Chemical evolution preceded cellular life
   2. Variation leads to variable fitness
   3. Cellular life preceded chemical evolution

2. False statement

   Genetic drift acts on fitness

   Statements

   1. Genetic drift acts on fitness
   2. Genetic drift is a chance process
   3. Natural selection acts on fitness

3. False statement

   Species never change

   Statements

   1. Diversity has changed over millions of years
   2. Species never change
   3. New species can appear

Explanation