1. The Species and
the Kind

2. Biblical Kinds
The natural groupings of organisms established by God

3. Problems With The Species Concept
Artificial characteristics
Environmental effects
Ignored similarities

4. Problems With The Species Concept
Interbreeding
Some organisms do not reproduce sexually.

5. Problems With The Species Concept
Interbreeding
Sometimes members of the same species cannot interbreed.
Ecotypes

6. Speciation The formation of a new species
Does not create new kinds of organisms
Taxonomists define them as new species

7. Migration and Adaptation
The moving of organisms from one area to another
Adaptation
The adjustment of an organism to an environment to which it is not accustomed

8. Migration and Adaptation
Often used as evidence for evolution
No new genes are formed; no new organisms have evolved.

9. Evolutionary Classification System
“Natural” system of classification
Based on biochemical similarities