Unit 4- Species + Taxonomy =)

Question 1

In taxonomy, an organism is identified by referring to the species name and the genus
name.
What term is used to describe this method of naming organisms? (1)

Answer 1

Binomial

Question 2

Define the term ‘species’. (1)

Answer 2

organisms that are able to produce fertile offapring

Question 3

Describe how organisms are grouped in a phylogenetic classification system. (2)

Answer 3

• hierarchy of groups w/ x overlaps (groups within larger groups)
• grouped according to evolutionary origins

Question 4

There are many different species of field mouse in Europe. Using a phylogenetic classification, all of these species have names that start with Apodemus.
What information does this give about field mice? (2)

Answer 4

• same genus
• common ancestor

Question 5

Female guppies with large brains are attracted to male guppies bright in colour.
Describe how the behaviour of female guppies could result in sympatric speciation. (3)

Answer 5

• x geographically isolated
• reproductive isolation
• Δ in allele frequencies
• x breed to produce fertile offspring