Defining a Species Flashcards
1
Q
What is the biological species concept?
A
The biological species concept focuses on reproductive isolation.
2
Q
What are challenges to the biological species concept?
A
Asexual organisms and fossils.
3
Q
How does DNA analysis help define species?
A
Genetic similarity helps define species (>97% = same species).
4
Q
What is reproductive isolation?
A
Reproductive isolation prevents species from interbreeding.
5
Q
Why is genetic similarity important in defining species?
A
Species are defined when their genetic similarity exceeds 97%.
