5.2.4 Classification

Question 1

Artificial classification

Answer 1

Only used observational features

Still used to make keys to easily identify and group organisms

Question 2

Natural classification

Answer 2

Use common ancestors, structural features

Domain, kingdom, phylum, class, order,family, genus, species

Question 3

Binomial

Answer 3

Name used to identify animals - (capital) genus and (lowercase) species

Question 4

DNA sequencing

Answer 4

Used is molecular phylogenetics
Compares sequence of DNA bases
-> more similar the sequence, closer related

Question 5

Evolution

Answer 5

Change in inherited characteristics of a population over time, through process of natural selection

Question 6

What is a seedbank?

Answer 6

A store of lots of seeds/ genetic material from lots of different species of plant

Question 7

How do seedbanks help?

Answer 7

If plants become extinct in wild the stored seeds can be used to grow new plants
Conserve genetic variation
Therefore conserving Earth’s biodiversity

Question 8

Taxa divisions

Answer 8

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Domain kingdom phylum class order family genus species

Question 9

Taxonomy

Answer 9

Study of principles of classification

Question 10

Phylogeny

Answer 10

Study of evolutionary links

Question 11

Phylogenies trees

Answer 11

Shows evolution and common ancestors