X hits on this document

Word document

These notes explain how to run the ‘Highlighting Important Stages in Evolution’ activity ... - page 11 / 11

33 views

0 shares

0 downloads

0 comments

11 / 11

- morphology and anatomy (external and internal features)

- cell structure (prokaryote/eukaryote)

- biochemistry (comparisons of DNA, RNA and the amino acid sequences in proteins)

closely related organisms possess a high degree of agreement in the molecular structure of DNA (base sequence), RNA (base sequence) and protein (amino acid sequence), while the molecules of organisms distantly related usually show a pattern of dissimilarity.

2.3 Biodiversity

Appreciate the five kingdom system of classification:

The five kingdoms as;

- prokaryotae

- protoctista

- fungi

- plantae

- animalia.

Describe features of Prokaryotae:

structure of prokaryotae cells

reproduction by division

example: a rod-shaped bacterium.

Describe features of Protoctista:

eukaryotic

unicellular or showing limited differentiation

some are heterotrophs (e.g. Phylum Protozoa) while some are autotrophs (e.g. Phylum Chlorophyta).

Describe the features of Fungi:

the Fungi as lysotrophs (decomposers)

consist of hyphae with chitinous cell walls

feeding by extracellular digestion

example: a mould.

Describe the features of Plantae:

the plants as autotrophs (producers)

possessing chlorophyll in chloroplasts

possessing a cellulose cell wall.

Describe the features of Animalia:

the animals as heterotrophs

they are capable of locomotion.

Materials designed and developed in partnership with Isinglass Consultancy Ltd.

Document info
Document views33
Page views33
Page last viewedWed Jan 18 12:57:48 UTC 2017
Pages11
Paragraphs287
Words3905

Comments