The word “they” in paragraph 3 refers to (A) protozoans (B) microscopes (C) investigations (D) colonies
The word “they” in paragraph 3 refers to
(A) protozoans
(B) microscopes
(C) investigations
(D) colonies
The word “they” in paragraph 3 refers to
Đáp án A
(1) Protozoans are considered animals because, unlike pigmented plants to which some protozoans are otherwise almost identical, they (protozoans) do not live on simple organic compounds