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Questions and Answers
Which type of animals have a fluid-filled body cavity partly lined with mesoderm?
Which type of animals have a fluid-filled body cavity partly lined with mesoderm?
- Pseudocoelomates (correct)
- Acoelomates
- Diploblasts
- Eumetazoans
What type of symmetry does an animal have if it can be divided along any plane, through a central axis, into equal halves?
What type of symmetry does an animal have if it can be divided along any plane, through a central axis, into equal halves?
- Radial symmetry (correct)
- Irregular symmetry
- Asymmetrical symmetry
- Bilateral symmetry
What tissue allows animals to move?
What tissue allows animals to move?
- Epithelial tissue
- Muscle tissue (correct)
- Connective tissue
- Nervous tissue
Which type of life cycle do animals have?
Which type of life cycle do animals have?
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What characteristic is true for animals that are irregular in shape?
What characteristic is true for animals that are irregular in shape?
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Study Notes
Body Cavity and Symmetry
- Animals with a fluid-filled body cavity partly lined with mesoderm are called Coelomates.
- Animals with radial symmetry can be divided along any plane, through a central axis, into equal halves.
Tissue and Movement
- Muscular tissue allows animals to move.
Life Cycle
- Animals have a multicellular life cycle.
Body Shape and Characteristics
- Animals that are irregular in shape are typically asymmetrical, meaning they lack a definite shape or pattern.
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