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Nematoda and Annelida

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

Segmented worms are known as

a)

Nematodes

b)

Annelids

c)

Planarians

d)

Cnidarians

2.

Annelids reproduce by what type of reproduction?

a)

Asexual

b)

Sexual

c)

Fragmentation

d)

Both asexual and sexual

3.
Which phylum do roundworms belong to?
a)
Turbellaria
b)
Cestoda
c)
Nematoda 
d)
Porifera 
4.
Earthworms have setae, which are like bristles that help them ___.
a)
move
b)
eat
c)
reproduce
5.
What do earthworms eat?
a)
grass
b)
insects
c)
dirt
d)
organic matter in the soil
6.
A stiff hair, bristle or bristle like process or part on an organism
a)
Ganglia
b)
Setae
c)
Parapodia
d)
Nephridia
7.
Which structure is NOT associated with digestion?
a)
Gizzard
b)
pharynx
c)
nephridia
d)
crop
8.
Which phylum is most closely related to the Annelida? 
a)
Mollusca
b)
Nematoda
c)
Arthropoda
d)
Chordata
9.
The leg-like structures seen in polychaetes are called
a)
Setae
b)
Parapodia
c)
Antennae
d)
Trochophores
10.
Leeches are considered
a)
parasites
b)
filter feeders
c)
poisonous
d)
predators
11.
Earthworms and leeches are
a)
dioecious
b)
hermaphroditic / monoecious
c)
asexual
12.
Which of the following is an pseudocoelomate?
a)
an organism such as Planaria (flatworms) that have no body cavity
b)
an organism such as a jellyfish with a central digestive cavity
c)
an organism such as a mammal with a body cavity lined with 2 layers of mesoderm
d)
an organism such as a Nematode (roundworm) that has a "false" body cavity
13.
Which of the following phyla contains the first organisms with closed circulatory systems?
a)
Annelida
b)
Cnidaria
c)
Nematoda
d)
Platyhelminthes
14.
Which of the following phyla contains the first organisms with complete digestive systems?
a)
Annelida
b)
Cnidaria
c)
Nematoda
d)
Platyhelminthes
15.
Which of the following phyla was the first to exhibit body segmentation?
a)
Annelida
b)
Arthropoda
c)
Cnidara
d)
Echindermata
16.
Which of the following phyla contains  mostly parasitic roundworms?
a)
Annelida
b)
Cnidara
c)
Nematoda
d)
Platyhelminthes
17.
What is an Acoelmate?
a)
Animal with false body cavity
b)
Animal lacking body cavity
c)
Animal with true body cavity
d)
Animal with cavities in its teeth
18.
What phylum?
a)
Platyhelminthes
b)
Nematoda
c)
Annelida
d)
Echinodermata
19.
In segmented worms, the crop, gizzard, and esophagus are all organs that work together to digest food. Together these organs make ______________.
a)
tissues
b)
specialized cells
c)
an organ system
d)
all of the above
20.
Earthworms breath with their ___.
a)
lungs
b)
skin
c)
gills
21.
Earthworms have ___ sets of muscles that help them move.
a)
1
b)
2
c)
3
d)
4
22.
Earthworms don't have teeth to grind their food so they use another organ to do so. It is called a ___.
a)
crop
b)
gizzard
c)
intestine 
d)
esophagus 
23.
The swollen part of the worm is called the __________. It signals that the worm is an adult and is able to reproduce.
a)
gizzard
b)
crop
c)
clitellum
d)
segment
24.
Which of the following is a structure associated with the nervous system?
a)
Nephridia
b)
Ganglia
c)
Flame cells
d)
Crop
25.
Which of the following is the evolutionary advancement first found in annelids?
a)
Three germ layers
b)
A complete digestive system
c)
Cephalization
d)
Coelomates (tube within a tube)
26.
Animals that live and feed off other animals are called ________
a)
planarians
b)
parasites
c)
proglottids
d)
teguments 
27.
Circulatory system of annelids is
a)
full
b)
complete
c)
incomplete
d)
closed
28.
The leg-like structures seen in polychaetes are called
a)
Setae
b)
Parapodia
c)
Antennae
d)
Trochophores
29.
What is the function of their epidermis?
a)
excretory organ
b)
reproduction organ
c)
gas exchange organ
d)
YOU ARE MY BABY!!!
30.
Which annelid has developed the ability to suck blood from other organisms?
a)
Oligochaeta
(earthworms)
b)
Polychaeta
(bristle worms)
c)
Hirudinea
(leeches)
d)
Nematoda
(roundworms)
31.

The primary benefit of earthworms is that they are

a)

a food source

b)

used to make medicine

c)

used for fishing

d)

are decomposers

32.

How are new segments added to an earthworm?

a)

From tail to head

b)

From head to tail

c)

They fill in from the middle

d)

No new segments are added

33.

How do leeches keep the blood flowing?

a)

anesthetics

b)

inflammatory agents

c)

anticoagulants

d)

chewing

34.

True or false: Some marine worms can withstand boiling water.

a)

True

b)

False

35.

True or false: Leeches are used for fishing.

a)

True

b)

False

36.

True or False: Earthworms are used to remove excess blood.

a)

True

b)

False

37.

Which dermal layer lines the digestive system?

a)

Ectoderm

b)

Mesoderm

c)

Endoderm

d)

Psuedoderm

38.

The coelom is surrounded by the

a)

Ectoderm

b)

Mesoderm

c)

Endoderm

d)

Pseudoderm

39.

True or false: Earthworms have gills.

a)

True

b)

False

40.

True or False: Marine worms have gills.

a)

True

b)

False

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