Jan. 31, 2014

TEST- today on chaps. 23 and 24  Good Luck!

Assignments due for the first grading period are:
  Bioethics-2 topics/2 paragraphs
  Terms ch. 23
  Concept checks 22.3, 23.1, 23.2, 23.3
  Quiz ch. 22
  Evolution presentation-written portion
  Test ch. 23 and 24

Jan 30, 2014

For exam Jan 31.

Topics you should know

Species concepts

     Biological
      Ecological
      Morphological
      Phylogenetic
     
All the prezygotic and postzygotic isolations

Biological species concept uses  ___________for determining species boundaries.

microevolotion

allopatric
sympatric

January 28 2014

EVOLUTION

1.Change in a pop. over time

2. common ancestor

3 life continues to evolve during changing environments

How do species change over time?  genes
How do genes change over time?  mutation
To increase survival in the environment, one should be? 
fittest
Fitness- to grow and produce viable and fertile offspring

Adaptations -process by which useful characteristics evolve.  The environment acts on the phenotype. 

In order for a pop. to evolve, members must inherit genetic variations.

POPULATION GENETICS