Classes Sarcodina and Flagellates
Answers are for parents and teachers.
1
Describe how an amoeba feeds in 4 sentences.
Pseudopods engulf the food, a food vacuole forms, digestive juice digests it, and the remains are pushed out.
2
Compare amoeba and euglena in a table: organ of movement, feeding, covering.
Amoeba: pseudopods; ready food; no shell, changing shape. Euglena: flagellum; photosynthesis in light, ready food in dark; firm shell, constant shape.
3
Why are hand washing and boiling water important to avoid dysentery amoeba?
The parasite reaches the intestine through dirty water and hands; hygiene removes it. If symptoms appear, see a doctor.
4
Write why foraminiferans matter.
Their ancient shells formed limestone deposits.
5
Describe the movement of euglena and volvox.
Euglena swims twisting, its flagellum turning like a screw; the volvox colony rolls like a ball.