Platyhelminthes and Nematodes

Presentation

•

Biology, Science

•

9th - 12th Grade

•

Medium

•

NGSS

MS-LS4-2, MS-LS3-2, MS-LS2-2

Standards-aligned

Teresa Schlueter

Used 19+ times

FREE Resource

30 Slides • 36 Questions

Chapter 10: The Triploblastic, Acoelomate Body Plan

Platyhelminthes (Flat worms)

Multiple Choice

The structure that detects light in the planarian flatworm is the

pharynx

flame cells

Eyespots

Multiple Choice

True or False: Platyhelminthes are acoelomate

True

False

Multiple Choice

What type of symmetry do all worms have?

bilateral

radial

asymmetry

no symettry

Multiple Choice

What type of fertilization do flatworms use for sexual reproduction?

internal

external

Multiple Choice

Major characteristics of Phylum Platyhelminthes.

Asymmetrical, diploblastic, pseudocoelomate, lack cephalization

Bilateral symmetry, triploblastic, acoelomate, cephalization

Radial symmetry, monblastic, acoelomate, cephalization

Bilateral symmetry, triploblastic, coelomate, cephalization

Multiple Choice

What type of symmetry do flatworms have?

radial

bilateral

no symmetry

cephalization

Multiple Choice

How do flatworms "breath" (exchange gases with their environment)?

using lungs

using gills

by diffusion through the skin

Multiple Choice

How do planarians reproduce asexually?

laying eggs

they don't reproduce asexually

regeneration of missing parts

planarians fertilize their own eggs

Multiple Choice

Planaria are members of class

Platyhelminthes

Cestoidea

Turbellaria

Trematoda

Multiple Choice

Class Tubellaria are the only flat worms that are...

parasitic

freeliving

flat

round

Multiple Choice

What is the primary host of the schistosoma blood fluke?

Human

Cat

Snail

Bat

Multiple Choice

What is the intermediate host of the Schistosoma blood fluke?

Human

Cat

Snail

Bat

Multiple Choice

What is the function of the scolex of a tapeworm?

To attach to the intestinal wall of the host

To reproduce

To get rid of waste

To carry the eggs

Multiple Choice

This proglottid has both male and female sex organs. They are found in which class of worms?

Cestoda

Trematoda

Turbellaria

Monogenea

Multiple Choice

Which of these is a common way that parasitic worms can be transmitted?

enter thru skin

undercooked meat

consuming contaminated food or water

all of these are ways you can get worms!

Multiple Choice

What class?

Class Cestoda

Class Trematoda

Class Turbellaria

Class Monogenea

Multiple Choice

What phylum do flatworms belong too?

Annelida

Platyhelminthes

Nematoda

The Triploblastic, Acoelomate Body Plan - Nematodes

Multiple Choice

Nematodes have a _____ digestive system

incomplete (have only a mouth but no anus)

complete (have a mouth and anus)

Multiple Choice

Roundworms have a false body cavity called

pseudocoelom

acoelom

eucoelom

coelom

Multiple Choice

Nematodes exhibit _____ symmetry.

longitudinal

radial

asymmetrical

bilateral

Multiple Choice

Round worms belong in the phylum

Nematoda

Cestoda

Platyhelminthes

Annelida

Multiple Choice

Which phylum of worms are pseudoceolomates?

Platyhelminthes

Nematoda

Annelida

all of them

Multiple Choice

Nematodes exchange gas by _____.

digestion

diffusion

auricles

the flame bulb

Multiple Choice

What habitats are Nematodes found in?

only fresh water

only terrestrial (land)

almost all habitats

only marine (saltwater)

Multiple Choice

Nematodes are protected by an outer waxy layer known as a _____.

auricle

pharynx

coelom

cuticle

Multiple Choice

In most nematodes

the sexes are separate

male and female organs are found in the same organism.

they are monecious

none of these.

Multiple Choice

This phylum contain a complete gut meaning they have a mouth and an anus

true

false

Multiple Choice

a fluid-filled partially in the mesoderm in which is not a true body cavity(tube within the tube)

Pseudocoelom

Acoelom

Multiple Choice

What is cephalization?

Having male and female parts at the posterior end of the body..

A concentration of sense organs and nervous system at the anterior end of the body.

Feeding off of another organism either as a parasite or carnivore.

Exchanging gases through a thin, moist layer of skin.

Multiple Choice

What type of symmetry do all worms have?

bilateral

radial

asymmetry

no symettry

Multiple Choice

Humans are likely to become infested by Trichinosis by doing which of the following..

drinking dirty water

walking outside barefoot

eating undercooked meat

being bitten by a mosquito

Multiple Choice

Humans are likely to become infested by Filarial worms by doing which of the following..

drinking dirty water

walking outside barefoot

eating undercooked meat

being bitten by a mosquito

Multiple Choice

Humans are likely to become infested by Ascaris worms by doing which of the following..

drinking dirty water

walking outside barefoot

eating undercooked meat

being bitten by a mosquito

Multiple Choice

Humans are likely to become infested by Hook worms by doing which of the following..

drinking dirty water

walking outside barefoot

eating undercooked meat

being bitten by a mosquito

Multiple Choice

The most common parasitic round worm infection in the United Stated is the...

hookworms (pinworm)

ascaris worms

filarial worms

trichinosis

Multiple Choice

The most common parasitic round worm infection in the the world is the...

hookworms (pinworm)

ascaris worms

filarial worms

trichinosis

Chapter 10: The Triploblastic, Acoelomate Body Plan

Platyhelminthes (Flat worms)

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