3.4.5 species and taxonomy

Question 1

3What is a species

Answer 1

A group of organisms able to produce fertile offspring

Question 2

How do you write a binomial name

Question 3

System of classification

Answer 3

domain
kingdom
phylum
class
order
family
genus
species

Question 4

Why is the system of classification described as hierarchal

Answer 4

Larger groups contain smaller groups, with no overlap between groups

Question 5

How can scientists classify the same species

Answer 5

• Interbred to produce fertile offspring
• Shared characteristics
• Homologous characteristics
• Phylogenetics - classify organisms based on common ancestors
• shared proteins
• similar DNA sequencing

Question 6

Courtship behaviour

Answer 6

Before mating and enables individuals to:
- recognise members of their own species
- Synchronise mating
- form a pair bond
- become able to breed

Question 7

what are the five kingdoms

Answer 7

animals
plants
fungi
prokaryotes
protoctists

Question 8

molecular phylogeny

Answer 8

analysing molecular differences in different organisms to determine the extent of their evolutionary relatedness

Question 9

result of molecular phylogeny

Answer 9

3 domains:
Bacteria
Archaea
Eukaryota

Question 10

evaluation of taxonomy data

Answer 10

• findings published in scientific journals and presented at scientific conferences
• peer reveiw
• scientists collect data in support or rejection

Question 11

What is meant by 2 species being closely related

Answer 11

share a recent common ancestor