exam Q's

Question 1

state the meaning of the term phylogeny and explain how phylogeny is related to classification

Answer 1

phylogeny is the study of evolutionary relationships

study of closeness of relationships

bases of classification, enables to put organisms into groups

closer the relationship = closer taxonomic grouping

Question 2

fossils have provided evidence for evolution, describe other evidence

Answer 2

(similarities / differences in) genes / genetics / DNA /
RNA / molecules / biochemistry ;

(similarities / differences in) nucleotide / base ,
sequence / order ;
(similarities / differences in) cytochrome c /
haemoglobin / ATP synthase / RNA polymerase;

(similarities / differences in) sequence / order , of
amino acids (in proteins) ;

idea that similarities between any of the above implies
(close) relationship ; ora

idea of evolution within human history ;

similarities in / differences in / comparison of ,
embryology / morphology / anatomy / physiology /
behaviour

Question 3

State the name given to the evolution of a new species.

Answer 3

speciation

Question 4

In the 1990s, there were further developments in cloning technology when it became
possible to make a clone of an adult mammal. The first clone produced from an adult cell
nucleus was Dolly the sheep.
Adult cell cloning can be used to investigate the development and treatment of disease.
Outline two other potential applications of adult cell cloning.

Answer 4

-preserve endangered animals
-grow (spare) tissue/ organs
-produce best animals/ with desirable characteristic