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Annelids

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Annelids

 

 

True/False
Indicate whether the sentence or statement is true or false.
1.
Different regions of an annelid’s body specialize for different functions.
2.
Some leeches have become specialized to a parasitic way of life by developing the ability to suck blood from the bodies of other organisms.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
3.
Twisting of the visceral mass of gastropods is called
a.
extension.
c.
torsion.
b.
inversion.
d.
conversion.
4.
Among the various species of gastropods, respiration may take place
a.
with gills.
c.
with lungs.
b.
through the skin.
d.
All of the above
5.
Segmented worms are known as
a.
nematodes.
c.
planarians.
b.
annelids.
d.
arthropods.
6.
Each segment of an annelid
a.
is capable of reproduction.
b.
has a well-developed brain.
c.
has a pseudocoelom.
d.
has a complete set of digestive organs.
7.
The evolution of tremendous diversity in the phylum Annelida is due primarily to
a.
gills.
c.
cephalization.
b.
specialized reproductive organs.
d.
segmented bodies.
8.
A similarity between annelids and arthropods is that they both have
a.
exoskeletons made of chitin.
c.
segmented body patterns.
b.
the ability to fly.
d.
well-developed lungs for respiration.
9.
Segmented worms are known as
a.
nematodes.
c.
planarians.
b.
annelids.
d.
arthropods.
      annelids_files/i0120000.jpg
10.
Refer to the illustration above. Which two organisms in the diagrams have segmented body plans?
a.
Organisms “A” and “C”
c.
Organisms “A” and “D”
b.
Organisms “B” and “D”
d.
Organisms “B” and “C”
11.
Coordinated movements of an annelid’s body segments are possible because of the
a.
development of an advanced brain.
b.
ventral nerve cord and paired segmental ganglia.
c.
presence of a true coelom in the annelid body.
d.
existence of a complete digestive system.
12.
Of the four basic types of tissue, the tissue that is specialized to transmit and receive messages in the body is
a.
epithelial tissue.
c.
muscle tissue.
b.
connective tissue.
d.
nerve tissue.
13.
earthworm movement : circular muscles and setae ::
a.
earthworm digestion : circular muscles and setae
b.
earthworm digestion : sperm receptacles
c.
earthworm reproduction : pharynx
d.
earthworm respiration : skin
14.
The digestive tube of annelids is divided into three regions. Which of the following is not among these regions?
a.
crop
c.
radula
b.
intestine
d.
stomach
15.
The advantage of a closed circulatory system over an open circulatory system is that
a.
blood moves more efficiently through the tubes of a closed circulatory system.
b.
a closed circulatory system prevents blood from leaking out of the body.
c.
blood is able to be pumped by a muscular heart in a closed circulatory system.
d.
lungs are able to function in animals with a closed circulatory system.
16.
Of the following organs, the one that does not exist in annelids is the
a.
heart.
c.
nephridia.
b.
gills.
d.
stomach.
17.
The clitellum of an earthworm
a.
contains the heart.
b.
is associated with reproduction.
c.
acts as a primitive respiratory system.
d.
is necessary for movement.
18.
Earthworms are considered to be beneficial to the environment because
a.
their castings contain nutrients.
b.
they aerate the soil as they move through it.
c.
they break up the soil in which they live.
d.
All of the above
19.
The basic body plan of an annelid
a.
consists of joined legs.
c.
is a tube within a tube.
b.
is similar to a long tube.
d.
can be compared to a corkscrew.
20.
Parapodia are involved in all of the following except
a.
swimming.
c.
burrowing.
b.
gas exchange.
d.
reproduction.

 
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Picturing Lab Safety

Get the Picture?
www.biologycorner.com

View the picture and answer the questions concerning lab safety.

Questions:

1. List 3 unsafe activities shown in the illustration and explain why each is unsafe.

 

2. List 3 correct procedures depicted in the illustration.

3. What should Bob do after the accident?

4. What should Sue have done to avoid an accident?

5. Compare Luke and Duke’s lab techniques. Who is following the rules?

6. What are three things shown in the lab that should not be there?

7. Compare Joe and Carl’s lab techniques. Who is doing it the correct way?

8. What will happen to Ray and Tim when the teacher catches them?

9. List three items in the illustration that are there for the safety of the students in the lab.

 

10. What is Betty doing wrong?

 

 

 

 

Reptiles

 

Reptiles
by Cheryl Massengale

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