Answer:
The characteristic features of euglenoids are as follows:
(i) They occur in freshwater habitats and damp soils.
(ii) A single long flagella present at the anterior end.
(iii) Creeping movements occur by expansion' and expansion of their body known as euglenoid movements.
(Iv) Mode of nutrition is holophytic, saprobic or holozoic.
(v) Reserve food material is paramylum.
(vi) Euglenoids are known as plant and animal.
Plant characters of them are
(a) Presence of chloroplasts with chlorophyll.
(b) Holophytic nutrition.
Animal characters of them are
(a) Presence of pellicle, which is made up of proteins and not a cellulose.
(b) Presence of stigma.
(c) Presence of contractile vacuole.
(d) Presence of longitudinal binary fission.
(vii) Under favourable conditions euglenoids multiply by longitudinal binary fission, e.g., Euglena, Phacus, Paranema, etc.
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