Classification

Question 1

Outline the binomial system of nomenclature

Answer 1

Important to have an international system, so observers know that they are talking about the same organism.
Binomial system means ‘‘two part name’’, and all binomial names consist of two latin words. Rattus norwegicus. Rattus (genus name), norwegicus (species name)

Question 2

Taxonomic categories (plants)

Answer 2

kingdom / plantae
phylum / tracheophyta
class / angiospermae
order / rosales
family / rosaceae
genus / rosa
species / rosa gallica

Question 3

Taxonomic categories (animals)

Answer 3

kingdom / animalia
phylum / chordata
class / aves
order / passeriformes
family / parulidae
genus / dendroica
species / dendroica fusca

Question 4

Distinguish between the following phyla of plants, using simple external recognition features: bryophyta, filicinophyta, coniferophyta and angiospermophyta

Answer 4

Bryophyta: moses, liverworts, hornworts.
Filicinophyta: leaves
Coniferophytes: trees (100m), shrubs
Angiospermaephyta: roots, stem, leaves

Question 5

Distinguish between the following phyla of animals, using simple external recognition features: porifera, cnidaria, platyhelminthes, annelida, mollusca and arthropoda.

Answer 5

Porifera: sponges (no body layers)
Cnidaria: jellyfish, 2 layers in the body plan
Platyhelminthes: flatworms, 3 layers in bodyplan
Annelide: segment worms, 3 layers in bodyplan
Mollusca: snails, slugs, octopus
Arthropoda: insects, spiders, scorpions