Criteria used for Animal Classification and Animal Body Plans
Criteria used for Animal Classification and Animal Body Plans: Overview
This topic covers concepts such as complete digestive system, incomplete digestive system, basis of classification of animals, animal body plan, and cell aggregate body plan.
Important Questions on Criteria used for Animal Classification and Animal Body Plans
Assertion: Bats and whales are classified as mammals.
Reason : Bats and whales have four-chambered heart.

Short note on Animalia.

What kind of body plan do most animals have?

What are the body plans of animals?

Tube within tube type of body plan is found in Aschelminthes upto chordata.

Tube-within-tube body plan is shown by _____.

Name the phylum that shows tube within tube organisation.

Which of the following phyla have an incomplete digestive system?

_____ (Platyhelminthes/Annelids) have incomplete digestive system.

Which of the following exhibits an incomplete digestive system?

Annelids exhibits incomplete digestive system.

Which among the following phylum (s) possess (s) a complete digestive system?

Organisms belonging to the phylum Porifera possess a complete digestive system.

A complete digestive system has one opening.

What are the two openings present in a complete digestive system?

In viviparous animals, the embryos are nourished during development in the mother's genital tract.

The phenomenon of differentiation of head in the anterior part of the body is called

Identify the true statement regarding kingdom animalia.

The notochord is present in non-chordates.

The body cavity, which is lined by mesoderm is called _____.
