Chapter 1 Objectives Flashcards
1
Q
What is taxonomy?
A
The branch of biology concerned with naming and classifying organism
2
Q
What is phylogeny?
A
The evolutionary history of a group of organisms
3
Q
What is a phylogenetic tree?
A
It shows relationships between species.
Branches that share a recent common ancestor represent species that are closely related. Branches that don’t share recent common ancestors represent species that are more distantly related
4
Q
What are the three domains - or fundamental linage of all organisms?
A
- Bacteria
- Archaea
- Eukarya
5
Q
What are eukaryotes?
A
Eukaryotes are cells with a nucleus and many are multicellular.
6
Q
What are prokaryotes?
A
prokaryotes (including archaea and bacteria) are cells with no nucleus. The vast majority of prokaryotes are unicellular
