10 Questions
What is the level of organisation exhibited by members of Platyhelminthes and other higher phyla?
Organ level
What is characteristic of the digestive system in Platyhelminthes?
It has only one opening that serves as both mouth and anus
What type of circulatory system is characterized by blood being pumped out of the heart and bathing cells and tissues directly?
Open type
What is the term for animals that can be divided into equal halves by a plane passing through the centre?
Bilaterally symmetrical
Which of the following groups of animals exhibit organ system level of organisation?
All of the above
What is the term for the level of organisation where tissues are grouped together to form organs?
Organ level
What is characteristic of the body structure of Annelids?
They have an organ system level of organisation
What is an example of an animal that exhibits radial symmetry?
Echinoderm
What is the term for the layer of cells in the body of some invertebrates that contains a gel-like substance?
Mesoglea
What is the term for the process of categorising animals based on their symmetry?
Symmetry analysis
This quiz covers the characteristics of different phyla in zoology, including body shape, symmetry, and presence of coelom and organs. Identify the phyla based on their distinct features.
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