10.1 species and taxonomy Flashcards
1
Q
species definition
A
individuals that are capable of producing fertile offspring
2
Q
what does the generic name denote?
A
genus
3
Q
what does the specific name denote?
A
species
4
Q
how do courtship behaviours increase successful mating?
A
- recognise members of their own species
- identify a mate that is capable of breeding
- form a bond pair
- synchronise mating
- become able to breed
5
Q
what is a taxon?
A
group in a phylogenetic biological classification
6
Q
hierarchy definition
A
groups within larger groups with no overlap
7
Q
what does one hierarchy consist of?
A
- Domain
- kingdom
- phylum
- class
- order
- family
- genus
- species
8
Q
artificial classification definition
A
physical classification
9
Q
phylogenetic classification definition
A
evolutionary classification
10
Q
bacteria features
A
- no membrane- bounded organelles
- unicellular
- murein cell walls
- circular DNA
- DNA not associated with histones
- DNA short
- 80s ribosomes
11
Q
how do Archaea differ from bacteria?
A
- genes and protein synthesis similar to eukaryotes
- no murein in cell walls
- more complex forms of RNA polymerase
- their membranes contain fatty acid chains attached to glycerol by ether linkages
12
Q
eukarya features
A
- membrane- bounded organelles
- 80s ribosomes
- cell walls do not contain murein, if present
- they have membranes containing fatty acid chains attached to glycerol by ester linkages
13
Q
what are the 3 domains?
A
- eukarya
- bacteria
- archaea
14
Q
what are the 2 prokaryotic domains?
A
- bacteria
- archaea
15
Q
how many cells make up bacteria and archaea?
A
one cell
