which of the following is a difference between flatworms and roundworms? quizlet

1. Which of the following is a difference between flatworms and roundworms?
2. What is difference between roundworm and earthworm?
3. What is difference between flatworms and earthworms?
4. How are the internal structures of the roundworms different from flatworms?
5. What do roundworms and flatworms have in common?
6. What is the meaning of flatworms?
7. Is an earthworm a segmented worm?
8. What characteristics do flatworms have?
9. How are earthworms more advanced than roundworms?
10. What diseases do flatworms cause?
11. What are the major differences between flatworms roundworms and segmented worms?
12. What organs do humans and earthworms have in common?

Which of the following is a difference between flatworms and roundworms?

A flatworm has a thin, dorsoventrally flattened body. Roundworms are more cylindrical in shape and tapered to a fine point at one end. ... Flatworms generally live in bodies of water, while roundworm species can live either on water or in soil.

What is difference between roundworm and earthworm?

An earthworm has a full digestive system and its diet consists of dirt and plant matter. A roundworm has a definite digestive system and its diet consists of other animals and plants.

What is difference between flatworms and earthworms?

As nouns the difference between earthworm and flatworm

is that earthworm is a worm that lives in the ground while flatworm is any of very many parasitic or free-living worms, of the phylum platyhelminthes , having a flattened body with no skeleton or body cavity.

How are the internal structures of the roundworms different from flatworms?

Unlike the flatworms, the roundworms have a body cavity with internal organs. A roundworm has a complete digestive system, which includes both a mouth and an anus. ... The last portion of the intestine forms a rectum, which expels waste through the anus. Roundworms also have a simple nervous system with a primitive brain.

What do roundworms and flatworms have in common?

All of them are invertebrates. They all have long, narrow bodies without legs. All worms also have tissues, organs, and organ systems. Worms have bilateral symmetry.

What is the meaning of flatworms?

: any of a phylum (Platyhelminthes) of soft-bodied usually much flattened acoelomate worms (such as the planarians, flukes, and tapeworms) — called also platyhelminth.

Is an earthworm a segmented worm?

Earthworms are classified in the phylum Annelida or Annelids. Annelida in Latin means, “little rings.” The body of the earthworm is segmented which looks like many little rings joined or fused together. The earthworm is made of about 100-150 segments. The segmented body parts provide important structural functions.

What characteristics do flatworms have?

The main characteristics of flatworms (Figure below) include:

• Flatworms have no true body cavity, but they do have bilateral symmetry. ...
• Flatworms have an incomplete digestive system. ...
• Flatworms do not have a respiratory system. ...
• There are no blood vessels in the flatworms.

How are earthworms more advanced than roundworms?

Segmented worms also tend to have organ systems that are more developed than the roundworms' or flatworms'. Earthworms, for example, have a complete digestive tract with two openings, as well as an esophagus and intestines. The circulatory system consists of paired hearts and blood vessels.

What diseases do flatworms cause?

Paragonimiasis is caused by infection with a flatworm. That's a parasitic worm also called a fluke or lung fluke because it commonly infects the lungs. Usually, infection comes after eating undercooked crab or crayfish that carry immature flukes. Once swallowed by a person, the worms mature and grow inside the body.

What are the major differences between flatworms roundworms and segmented worms?

Flatworms (phylum Platyhelminthes) are simple animals that are slightly more complex than a cnidarian. Roundworms (phylum Nematoda) have a slightly more complex body plan. Segmented worms (phylum Annelida) are the most complex animals with worm-like body plans.

What organs do humans and earthworms have in common?

Earthworms share many similarities in their nervous systems with humans. Wigglyworld.org states that “The earthworm's nervous system is controlled by its cerebral ganglion, which functions as a simple brain.