Questions and Answers
Three major parts worms are classified are segmented worms, phyla flatworms, and ________.
Roundworms
All worms are ______.
Where are some of the worms' sense organs located?
Earthworms benefit the soil for plants by making tunnels.
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Segmented worms have an open circulatory system.
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What type of worm feeds off of a host?
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Roundworms have a unique digestive system because it is like a ______.
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_____ are one type of parasitic flatworm.
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Where does the food exit after it is digested?
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Tapeworms are parasites that feed off of ______ host(s).
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Earthworms and other segmented worms have bodies made up of many linked sections called ______.
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Planarians are parasitic.
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Flatworms have a tube-like digestive system.
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The three main phyla of worms are _______, _______, and ________.
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How do you know which worm would be which?
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Which worm would you find in your garden? How does it make the yard healthy?
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All worms have similar characteristics. ____ and ____ are two.
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Do worms have eyes?
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Some flatworms are parasites. Are Planarians?
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Which is a parasite?
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Study Notes
Types of Worms
- Major classifications: segmented worms, flatworms, and roundworms.
- Roundworms feature a unique tube-like digestive system.
Characteristics of Worms
- All worms are invertebrates.
- Common features include being long and having no legs.
Worm Anatomy and Physiology
- Sense organs of some worms are located in the head.
- Earthworms and segmented worms possess bodies composed of linked sections called segments.
- Worms generally lack eyes, although some may have simple light-sensitive structures.
Parasitism in Worms
- Tapeworms are a type of parasitic flatworm that feeds off hosts, often more than one at a time.
- Planarians are generally not parasitic.
- Roundworms and planarians can also exhibit parasitic behaviors in certain contexts.
Soil and Ecological Impact
- Earthworms improve soil quality by creating tunnels and enriching it with their droppings.
Digestive Systems
- Flatworms have a simple digestive system, while roundworms have a distinct tube-like structure that aids in digestion.
- Waste exits through the anus after digestion.
True/False Statements
- Earthworms benefit soil health by making tunnels (True).
- Segmented worms possess an open circulatory system (False).
- Planarians are not parasitic (False).
- Flatworms do not have a tube-like digestive system (False).
Identification and Classification
- Key identifiers: Flatworms are flat, roundworms are tiny with a tube-like digestive system, and segmented worms have visible segments.
- Garden-friendly worms include earthworms, which help maintain soil health.
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Description
Review essential terms and definitions related to worms with these flashcards. Cover important classifications, characteristics, and biological functions of different types of worms. Perfect for anyone studying invertebrates and their significance in ecosystems.
