Question

a unicellular organism often considered connecting link between plants and animals is

(a) monocystis

(b) paramecium

(c) euglena

(d) entamoba

Answer 1

Euglena is considered as a connecting link between plants and animals.
It is a flagellate unicellular organism. Like plants it contains chlorophyll, so it performs photosynthesis and makes food. Like animals it lacks cell wall. So it shows both plant like and animal like characters. Hence considered as connecting link between plants and animals.