Page 82 - General and Inorganic Chemistry for Advanced Secondary Schools Students Book Form Five and Six

Biology for Secondary Schools

Phylum Apicomplexa (e) When a plasmodium enters the
Organisms found in this phylum are human body, it attacks the red
unicellular and parasitic, Plasmodium blood cells and liver cells.
sp. which cause malaria in humans is
an example of members of phylum Advantage of Plasmodium sp.
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Apicomplexa. Plasmodium sp. is used in medical and
other researches.

Task 5.6 Disadvantage of Plasmodium sp.

Search for videos that show characteristics Plasmodium parasites cause malaria.
of Plasmodium sp. from different reliable Malaria can cause inflammation and
internet sources. rupture of the spleen, and miscarriages.
It can also cause anaemia due to the

Characteristics of Plasmodium sp. destruction of red blood cells. Severe
(a) They are unicellular. malaria can cause death.
(b) They are eukaryotes. Phylum Ciliophora
(c) They are parasites with a complex Organisms found in this phylum are
life cycle involving the host and unicellular and are found in aquatic
the vector. habitats. Paramecium sp. is an example

(d) They reproduce sexually in the of members of phylum Ciliophora.
human host and asexually by Figure 5.11 shows a structure of a
multiple fission in the mosquito Paramecium sp.
vector and human host.

Nuclei

Food vacuole

Cilia

Pellicle

Contractile vacuole
Anal pore
Oral groove

Figure 5.11: Structure of Paramecium sp.

76 Student’s Book Form One Student’s Book Form One

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Biology FORM 1 new.indd 76
Biology FORM 1 new.indd 76 15/10/2024 09:24:30