Question

Two unicellular animals where all the steps of nutrition take place within their unicellular body. *

options

1. mosquito , tick

2 .tick, lice

3. amoeba , paramoecium

​

Answer 1

$\LARGE{ \underline{\underline{ \blue{ \bf{Required \: answer:}}}}}$

Amoeba & Paramaecium are two unicellular animals where all the steps of nutrition take place within their unicellular body.

They are Unicellular eukaryotes where the whole cell performs all the activities including digestion, respiration, protein synthesis etc. with the help of organelles. Organelles in Unicellular can be compared to organs in Multicellular organisms.

Explore more!!

• Mosquito, tick and lice are very small insects but they are composed of numerous cells unlike micro-organisms.

• In Multicellular organisms, there is divison of labour which reduces the load of all the life processes in only one cell.

• The unicellular organisms are of two types- Eukaryotes and prokaryotes on the basis of nuclear membrane and membrane bound organelles.