Flatworms, Roundworms, Mollusks and Segmented Worms

Question 1

Which organ functions in passing undigested food to the crop?

Accepted Answer

6

Question 2

An animal that contains both male and female sex organs is called a

Accepted Answer

Hermaphrodite

Question 3

Nematodes (roundworms) have the following body cavity

Accepted Answer

Pseudocoelomate

Question 4

True/False: Roundworms have a circulatory system

Accepted Answer

False

Question 5

The thicker segment in earthworms that resembles a band-aid and is the

Accepted Answer

Clitellum

Question 6

how many openings does a flatworm have?

Accepted Answer

1

Question 7

A group of nerve cells is referred to as

Accepted Answer

Ganglia

Question 8

How many germ layers does a flatworm develop from?

Accepted Answer

3

Question 9

Hooks and suckers on the tapeworm's head are used for

Accepted Answer

Attachment

Question 10

What is the muscular tube used for ingestion that extends from the flatworm's body?

Accepted Answer

Pharynx

Question 11

Compared to other worm phylas, Annelids are very diverse and complex because of their

Accepted Answer

Segementation

Question 12

Annelids have these excretory structures to get rid of metabolic wastes (similar to kidneys)

Accepted Answer

Nephridia

Question 13

True/False: Nematodes have a complete, one-way digestive tract.

Accepted Answer

True

Question 14

What structure functions in the uptake of nutrients

Accepted Answer

12

Question 15

Cephalization means the concentration of nerves is at the ____ end of the animal

Accepted Answer

Question 16

Marine annelids belong to this class

Accepted Answer

Polycheata

Question 17

The host usually does not know a leech is sucking its blood because

Accepted Answer

Produce a chemical that acts as an anasthetic

Question 18

Flatworms show ________ symmetry

Accepted Answer

Bilateral

Question 19

The class Hirudinea includes the

Accepted Answer

Leeches

Question 20

What type of circulatory system does an earthworm have?

Accepted Answer

Closed

Question 21

Nematoda belongs the the kingdom

Accepted Answer

Animalia

Questions 21