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What is the level of organisation exhibited by members of Platyhelminthes and other higher phyla?
What is the level of organisation exhibited by members of Platyhelminthes and other higher phyla?
- Tissue level
- Organ system level
- Organ level (correct)
- Cellular level
What is characteristic of the digestive system in Platyhelminthes?
What is characteristic of the digestive system in Platyhelminthes?
- It has only one opening that serves as both mouth and anus (correct)
- It has two openings, mouth and anus
- It has no anus
- It has no mouth
What type of circulatory system is characterized by blood being pumped out of the heart and bathing cells and tissues directly?
What type of circulatory system is characterized by blood being pumped out of the heart and bathing cells and tissues directly?
- Complete type
- Incomplete type
- Closed type
- Open type (correct)
What is the term for animals that can be divided into equal halves by a plane passing through the centre?
What is the term for animals that can be divided into equal halves by a plane passing through the centre?
Which of the following groups of animals exhibit organ system level of organisation?
Which of the following groups of animals exhibit organ system level of organisation?
What is the term for the level of organisation where tissues are grouped together to form organs?
What is the term for the level of organisation where tissues are grouped together to form organs?
What is characteristic of the body structure of Annelids?
What is characteristic of the body structure of Annelids?
What is an example of an animal that exhibits radial symmetry?
What is an example of an animal that exhibits radial symmetry?
What is the term for the layer of cells in the body of some invertebrates that contains a gel-like substance?
What is the term for the layer of cells in the body of some invertebrates that contains a gel-like substance?
What is the term for the process of categorising animals based on their symmetry?
What is the term for the process of categorising animals based on their symmetry?
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