FInal review Flashcards
Homology
Similarity due to shared ancestry
Analogy
Superficial resemblance despite nonshared ancestry
What are some pieces of evidence for evolution by natural selection?
Homology, paletontology, direct observation
Rhizobium
Bacteria that fixes nitrogen on plant roots
Do mosses and liverworts have seeds? Vascular tissue?
No to both
What are the three types of horizontal gene transfer?
Conjugation, transduction, transformation
What do gram negative bacteria have as opposed to to a peptidoglycan coat?
Lipopolysaccharide layer
What do both gram +/- bacteria have?
Peptidoglycan layer
Did mitochondria or plastids come around first?
Mitochondria
What ended the Cambrian explosion?
A mass extinction- The Cambrian Ordovician extinction event
Environmental evolution
Changes in the environment over time
