Basis of Classification of Animals
Basis of Classification of Animals: Overview
This topic classifies the animals based on the levels of organisation, symmetry, diploblastic and triploblastic organisations, coelem, segmentation and notochord. This is supported with examples and illustrations.
Important Questions on Basis of Classification of Animals
Distinguish between open and closed circulatory system.
Open circulatory system is the system that is primarily found in vertebrates.
In the open circulation, the blood is not enclosed in the blood vessels and is pumped into a cavity called _____.
Mention the examples of the animals that has open circulatory system.
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 animals lack the organ system level of organisation?
Which among the four levels of organisation in animals is the highest?
What do you understand by an incomplete digestive system?
The organ level of body organisation is first seen in the phylum called Coelenterata.
Which among the following phylum (s) possess (s) a complete digestive system?
Organisms belonging to the phylum Porifera possess a complete digestive system.
Sponges show organ level of organisation.
What is organ level of organisation?
A complete digestive system has one opening.
What are the two openings present in a complete digestive system?
Given below is the representation of the extent of global diversity of invertebrates. What groups the four portions (A-D) represent repectively
The given figure shows the germs layer. The animals having structures shown in the figure are respectively known as
