Bio1AL_Fa09_lab9_wksht -...

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Unformatted text preview: Invertebrate
I
Worksheet.

Due
at
the
end
of
your
lab.
 Name

 
 
 
 
 

GSI
&
Sect
#

 
 
 
 
 
Station
#
 
 
 
 The
required
drawings
and
tables
are
a
guideline
to
help
you
in
your
studies.

In
addition
you
should
 make
further
drawings
if
you
find
them
helpful.

Use
the
review
sheet!

Fill
in
the
invertebrate
1
charts.
 
 
 1)

In
the
left
circle
below
make
a
drawing
of
the
microscope
slide
of
the
Hydra,
include
labels:
mesoglea,
 epidermis,
gastrodermis,
tentacles,
gastrovascular
cavity,
basal
disc.
 
 Hydra
 
 
 
 
 
 Dugesia
 
 2)

Using
the
circle
above
and
to
the
right,
make
a
drawing
of
the
cross
section
of
Dugesia.

Include
labels:
 longitudinal
&
circular
muscles,
pharynx,
gastrovascular
cavity.

Be
sure
you
also
examine
the
whole
mount.
 
 
 3)

Did
you
check
your
review
sheet?

Have
you
filled
in
the
chart?
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 Worksheet continued on the other side. A59
–
Fall
2009
 
 4)

Include
a
drawing
of
your
dissected
earthworm.

Label
internal
&
external
structures
(refer
to
page
A41
for
a
 review
of
structures).
 Label
external
structures:
mouth,
anus,
clitellum
 Label
internal
structures:
suprapharyngeal
ganglion,
pharynx,
esophagus,
crop,
gizzard,
intestine,
chloragogen
 tissue,
pseudohearts,
metanephridia,
septum,
esophageal
glands
(calciferous
glands),
seminal
vesicles,
 spermatheca
(seminal
receptacles),
ventral
nerve
cord,
ventral
blood
vessel.


 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 5)

Make
a
quick
sketch
of
the
clam.

Label:
anterior
and
posterior
adductor
muscles,
ctenidia,
foot,
labial
palp,
 siphon
(incurrent
and
excurrent),
mantle,
and
viscera.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 6)

Look
in
the
marine
tank.
It
will
be
station
#30
on
lab
exam
2.
You
need
to
identify
all
of
the
organisms
that
 belong
to
the
following
phyla.
List
common
name,
class,
subphylum,
and
phylum
as
appropriate.
 
 
 Porifera:
 
 Platyhelminthes:
 
 Cnidaria:
 
 Annelida:
 
 Mollusca:
 A60
–
Fall
2009
 ...
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This note was uploaded on 01/28/2010 for the course BIO biology taught by Professor Meighan during the Fall '09 term at University of California, Berkeley.

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