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BIOLOGY

JAMB 2017 - Question 5

Biology 2017 JAMB Past Questions - Question 5: An example of organism which exists as a colony is

Choose the most appropriate option for the gap .

An example of organism which exists as a colony is

A: volvox

B: Paramecium

C: Euglena

D: Chlamydomonas

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Correct Answer

Explanation

A colony of volvox is a group of similar cells joined by strands of protoplasm. The cells are specialised and cannot live independent life. Some of the ceils are specialised for reproduction while others are for photosynthesis and movement. Paramecium is a unicellular animal (protozoon). Euglena is a unicellular organism which has both plant and animal features while chlamydomonas is a unicellular plant.