Page 110 - Primary Six Notes

Single Celled

Organisms

 These are groups of very simple living organism which are single (unicellular/one celled) also called

 They are neither plants, fungi, nor animals

 They have a nucleus enclosed in a membrane

 They live in fluids (liquids) or in other organisms because they do not have protection against drying.

Examples of protoctista: Algae, euglena, protozoa, amoeba, paramecium, plasmodium, chlamydia, schistosome, trypanosome, etc.

ALGEA

< /
 They do not have roots, stems and

o o
“V leaves.
 They have chlorophyll and make their own food

 They mostly reproduce by means of spores.

 They appear in different colours e.g. blue, green, or red.

 They grow on and within the soil, wood, moist rocks, ponds.

Examples of Algea: Spirogyra, Sea weed, Focus