1 Briefly discuss five criteria used to classify an organism

1. Briefly discuss five criteria used to classify an organism as a multicelled animal?

Solution

1).

An organism with more than one cell in their structure is known as a multi-cellular organism. The following are the characteristics of multi-cellular organisms.

The number of cells are more than one

All animals are eukaryotic, they contain membrane bound organelles

The organism must consume or feed on the other organisms (plants/animals) to obtain the organic compounds for survival. Means, they must be heterotrophs.

Most of the animals are motile at least any stage during their life time

They contain complex tissue structure with specialized functions.

Many animals undergo sexual reproduction.