Worms Flashcards

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Questions and Answers

Three major parts worms are classified are segmented worms, phyla flatworms, and ________.

Roundworms

All worms are ______.

  • vertebrates
  • fat
  • invertebrates (correct)
  • short

Where are some of the worms' sense organs located?

  • head (correct)
  • tail
  • nerve cord
  • blood vessels

Earthworms benefit the soil for plants by making tunnels.

<p>True (A)</p> Signup and view all the answers

Segmented worms have an open circulatory system.

<p>False (B)</p> Signup and view all the answers

What type of worm feeds off of a host?

<p>Tapeworm (C)</p> Signup and view all the answers

Roundworms have a unique digestive system because it is like a ______.

<p>tube</p> Signup and view all the answers

_____ are one type of parasitic flatworm.

<p>Tapeworm</p> Signup and view all the answers

Where does the food exit after it is digested?

<p>anus (B)</p> Signup and view all the answers

Tapeworms are parasites that feed off of ______ host(s).

<p>more than one (A)</p> Signup and view all the answers

Earthworms and other segmented worms have bodies made up of many linked sections called ______.

<p>segments (D)</p> Signup and view all the answers

Planarians are parasitic.

<p>False (B)</p> Signup and view all the answers

Flatworms have a tube-like digestive system.

<p>False (B)</p> Signup and view all the answers

The three main phyla of worms are _______, _______, and ________.

<p>Flatworms, Roundworms, Segmented Worms</p> Signup and view all the answers

How do you know which worm would be which?

<p>Flatworms are flat, Roundworms are tiny with a tube-like digestive system, and Segmented Worms have visible segments.</p> Signup and view all the answers

Which worm would you find in your garden? How does it make the yard healthy?

<p>Earthworms enrich the soil by digging tunnels and fertilizing it with droppings.</p> Signup and view all the answers

All worms have similar characteristics. ____ and ____ are two.

<p>long, no legs (D)</p> Signup and view all the answers

Do worms have eyes?

<p>some (C)</p> Signup and view all the answers

Some flatworms are parasites. Are Planarians?

<p>no (D)</p> Signup and view all the answers

Which is a parasite?

<p>Tapeworms (C)</p> Signup and view all the answers

Flashcards

Worm classification

Worms are classified into segmented worms, flatworms, and roundworms.

Worms are invertebrates

All worms are invertebrates, lacking a backbone.

Worm Sense Organs Location

Some worms' sense organs are located in their head.

Earthworm Benefits

Earthworms benefit soil by making tunnels, improving aeration and drainage.

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Tapeworm Feeding

Tapeworms feed off of a host organism.

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Roundworm Digestion

Roundworms have a tube-like digestive system.

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Tapeworms as Parasites

Tapeworms are a type of parasitic flatworm.

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Waste exit point

After digestion, waste exits through the anus.

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Segmented Worms

Earthworms and segmented worms have bodies made of linked sections called segments.

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Worm Phyla

The three main phyla of worms are flatworms, roundworms, and segmented worms.

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Earthworm Enrichment

Earthworms enrich soil by digging tunnels and fertilizing it.

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Worm characteristics

Worms often have long bodies and lack legs.

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Tapeworms are...

Tapeworms are parasites.

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Worm eyes?

Some worms have eyes.

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Planarians: Parasitic?

Planarians are not parasitic.

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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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