Question

Complete the following with appropriate word(s).
Aquatic, deserts, mountains are called .
Based on the number of cells present animals are classified into and
Tail of a bird acts as a rudder which helps to .
Amoeba moves with the help of

Answer 1

"Aquatic, deserts and mountains are called the topography of the area. They form the earth’s surface.


Based on the number of cells the animals are classified into vertebrae or non-vertebrae. They can also be unicellular or multi-cellular animals.
The tail of a bird acts as a rudder which helps them to change direction and glide them while flying.


Amoeba moves with the help of pseudopodia or the false feet
"