Page 64 - General and Inorganic Chemistry for Advanced Secondary Schools Students Book Form Five and Six

Biology for Secondary Schools

Activity 4.3: Classifying organisms (c) Kingdom Fungi, examples,
based on artificial and natural system mushroom and yeast.
of classification (d) Kingdom Plantae, examples,
maize, bean, and banana plants.
Materials: A variety of living things or (e) Kingdom Animalia, examples,
FOR ONLINE READING ONLY
charts showing pictures of organisms human beings, dogs, and rats.

Procedures However, viruses have not been
1. Observe the external features included in these five kingdoms
of organisms and note as many because they possess features of both
features as you can. living and non-living things. Examples
2. (a) Group the organisms based on of viruses include Corona virus, Ebola
artificial system of classification. virus, and HIV.
(b) Group the organisms based on
natural system of classification. Ranks of classification
In classification of living things, there

Questions are seven main ranks or taxonomic
What are the main features used to units which are arranged hierarchically
place organisms into procedures in a descending order from the highest
number 2 (a) and (b)? to the lowest rank. Each unit is called a
taxon (plural is taxa). The main taxa are

Major groups of living things Kingdom, Phylum or Division, Class,
Order, Family, Genus, and Species. The
Task 4.3 highest rank is Kingdom and the lowest

Search from library and reliable internet is Species. Hierarchical arrangement of
sources the information on the major the taxonomic units or ranks is referred
groups of living things and ranks of to taxonomic hierarchy.
classification.
Kingdom Animalia is subdivided
into phyla (singular is phylum) while
The following are the five major groups kingdom Plantae is subdivided into
of living things that constitute the five divisions. The phyla or divisions are
kingdoms. further subdivided into classes. Each
(a) Kingdom Monera, example, class is subdivided into orders. An order
bacteria. is subdivided into families and families
(b) Kingdom Protoctista, examples, are subdivided into genera (singular
amoeba, Plasmodium sp., and is genus). A genus is subdivided into
Euglena sp.

58 Student’s Book Form One Student’s Book Form One

15/10/2024 09:24:27
Biology FORM 1 new.indd 58 15/10/2024 09:24:27
Biology FORM 1 new.indd 58