II. Listen to the first part of the text and fill in the table below
pathogen
infection carrier
geographical spread
symptoms
course of infection
III. Listen to the second part of the text dealing with eradication of malaria and complete the sentences below
1. Peruvians revealed their secret malaria remedy in …
2. This remedy was …
3. The person who extracted quinine out of cinchona tree bark …
4. Eradication campaign against malaria was announced by …
5. But in 1976 …
6. One of the reasons for malaria spread through the developing countries …
7. It is very difficult to fight malaria for two main reasons: …
8. Mefloquine is a drug that …
9. Mosquitoes can be kept away …
10. One can avoid mosquito bites …
WRITING
I. Kingdoms are the largest groups of organization of life. After kingdoms, plants are classified intodivisionsand other types of organisms are classified intophyla. Then followclasses,orders,families,generaandspecies. The more closely related two species are the moretaxathey share. Some taxonomic groups are further subdivided such as intosubclassandsuperfamily.
Tables 1.1 and 1.2 below list the full taxonomic names of two very different organisms, humans and corn. Study these tables and make similar ones for two other organisms of your own choice
Table 1.1 Human (Homo sapiens). Taxonomy
Category
Name
Description
Kingdom
Animalia
Complex cells; multicellular; nervous tissue
Phylum
Chordata
Body consisting of head, trunk, and tail; highly developed organ systems; three tissue layers in embryo; internal cavity; notochord
Class
Mammalia
Hair; mammary glands; internal fertilization; large skull; homeotherm or endotherm (warm-blooded); extra-embryonic membranes
Order
Primates
Complex brain; flexible toes and fingers; excellent vision
Family
Hominidae
Upright posture; small face; large brain; V-shaped jaw
Genus
Homo
Large brain; relatively short arms; lightweight jaws; small teeth; large thumbs
Species
Homo sapiens
Only living species of genus Homo
]Table 1.2 Corn (Zea mays). Taxonomy
Category
Name
Description
Kingdom
Plantae
Land dwelling; multicellular, eukaryotic organisms with cellulose cell walls; photosynthesize using chlorophyll a and b
Division
Anthophyta
Vascular plants with seeds and flowers; ovules enclosed in an ovary and mature seeds in fruits