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Questions and Answers
What is the level of organization of cells in sponges?
What is the level of organization of cells in sponges?
- System level
- Organ level
- Cellular level (correct)
- Tissue level
What is the main reason for the need of classification of animals?
What is the main reason for the need of classification of animals?
- To study the evolution of animals
- To assign a systematic position to newly described species (correct)
- To identify the differences in structures and forms
- To group animals based on their habitat
Which feature is used as the basis of animal classification?
Which feature is used as the basis of animal classification?
- Nature of habitat
- Arrangement of cells (correct)
- Body size
- Dietary habits
In which group do the cells performing the same function arrange into tissues?
In which group do the cells performing the same function arrange into tissues?
What is the total number of described species of animals till now?
What is the total number of described species of animals till now?
Why are fundamental features common to various individuals used as the basis of animal classification?
Why are fundamental features common to various individuals used as the basis of animal classification?
Which level of organization is exhibited by members of Platyhelminthes and other higher phyla?
Which level of organization is exhibited by members of Platyhelminthes and other higher phyla?
What is the term used for animals that can be divided into identical left and right halves in only one plane?
What is the term used for animals that can be divided into identical left and right halves in only one plane?
What type of animals have cells arranged in two embryonic layers, an external ectoderm, and an internal endoderm?
What type of animals have cells arranged in two embryonic layers, an external ectoderm, and an internal endoderm?
What is the term used for the presence or absence of a cavity between the body wall and the gut wall?
What is the term used for the presence or absence of a cavity between the body wall and the gut wall?
Which type of symmetry categorizes animals where any plane that passes through the center does not divide them into equal halves?
Which type of symmetry categorizes animals where any plane that passes through the center does not divide them into equal halves?
What is the term used for the animals that have a third germinal layer, mesoderm, in between the ectoderm and endoderm during development?
What is the term used for the animals that have a third germinal layer, mesoderm, in between the ectoderm and endoderm during development?
In which type of digestive system does an animal have only a single opening to the outside of the body serving as both mouth and anus?
In which type of digestive system does an animal have only a single opening to the outside of the body serving as both mouth and anus?
What type of animals has organs associated to form functional systems, with each system concerned with a specific physiological function?
What type of animals has organs associated to form functional systems, with each system concerned with a specific physiological function?
Which type of symmetry categorizes animals where any plane passing through the central axis divides the organism into two identical halves?
Which type of symmetry categorizes animals where any plane passing through the central axis divides the organism into two identical halves?
Animals with a cavity between the body wall and the gut wall lined by mesoderm are called __________.
Animals with a cavity between the body wall and the gut wall lined by mesoderm are called __________.
