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Questions and Answers
How do arthropods grow?
What is the analogue of blood for most arthropods?
What is the material that forms the exoskeleton of arthropods?
What is the body cavity through which haemolymph circulates in arthropods called?
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What type of nervous system do arthropods have?
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Study Notes
Arthropod Growth and Development
- Arthropods grow through a process of molting, where they shed their exoskeleton and replace it with a new, larger one.
- This process allows them to increase in size and accommodate changes in their body shape and structure.
Arthropod Circulatory System
- The analogue of blood for most arthropods is haemolymph, a clear, colorless fluid that circulates nutrients and oxygen throughout the body.
- Haemolymph is a mixture of water, salts, and organic compounds that bathes the internal organs and tissues.
Exoskeleton Composition
- The exoskeleton of arthropods is formed from a tough, flexible material called chitin, which is composed of polysaccharides.
Body Cavity and Haemolymph Circulation
- The body cavity through which haemolymph circulates in arthropods is called the haemocoel.
- The haemocoel is a fluid-filled space that surrounds the internal organs and allows for the exchange of nutrients and waste products.
Arthropod Nervous System
- Arthropods have a decentralized, ventral nervous system, which consists of a ventral nerve cord and a series of ganglia that control specific body regions.
- This type of nervous system allows for rapid and flexible responses to sensory stimuli.
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Description
Test your knowledge of arthropods with this quiz! Challenge yourself with questions about their exoskeleton, segmented body, and jointed appendages. See how much you know about these fascinating invertebrates.
