Name: ____________________________
Period: _________
Virtual Pond Dip
http://www.microscopy-uk.org.uk/mag/indexmag.html?http://www.microscopyuk.org.uk/mag/wimsmall/smal1.html
Image
And Name
Size
Notes
Euglena, like some other micro-organisms, have
features of both algae (e.g. _______ and
________________) and protozoa (moves with
whip-like ______________). Thus biologists
debate how they should be classified. It also has a
________________.
The single cells are arranged end to end to form
long threads (____________). The spirally
arranged ribbon-like _____________ are
distinctive.
The _______________________, also called
___________________in older books. They have
hair-like ___________________ called
___________________ (which are often stiffened)
that radiate outwards.
The Stentor is often _________ in color because
of the algae (single-celled plants) associated with
it. Like other large single celled creatures (e.g.
amoebas) they have many ___________. In
Stentor you can see the nuclei as a ‘___________’.
The large sphere is a water expelling vesicle. The
cell is covered with tiny hair-like '____________'.
With careful study under a microscope they do
look like a _____________. The Paramecium is
often used as one of the classic examples of a
protozoan and are widely illustrated in biology
textbooks.
Vorticella are one of the ____________ protozoa.
Although _____________, they often occur in
___________ to form a tiny jelly-like mass just
visible to the naked eye. Their stalks
____________like a spring.
Varied group of _________. Although species
vary widely in shape, they share the feature of
being divided into two ____________ (semicells)
which are often mirror images. A distinct
constriction between the two semicells or gap in
the _________is usually seen.
Image
And Name
Size
Notes
The head has a crown of ____________
(the '____________ organ'), which in some
species looks as if it is rotating like a wheel,
hence their common name.
The ____________________,
____________________ and moving limbs
can all be seen as they have a transparent shell.
The water flea shown is the well known genus
Daphnia which are often available in pet shops
for fish food. Another common water flea
____________________ similar but usually
larger. _________________, is another
common one, but smaller and more globular,
and often found amongst weeds.
Volvox is a ________________________ of
hundreds of green _____________ cells each
with two whip-like __________________.
These cells are distributed on the surface of a
hollow jelly-like globe. Sometimes the colony
may contain smaller colonies as shown left.
The body of an ostracod, including the head, is
enclosed by a _________________________
shell (the _____________).
The female often carries a pair of __________
and is a fast swimmer! It possesses just _____
eye hence it was named after the Greek
mythological creature of this name.
The Hydra is a very distinctive creature with
its _______________. They can reproduce
asexually by ____________ where a smaller
hydra grows off the body of the adult and
eventually separates. The tentacles have
_______________ which they use to capture
prey like small water fleas
Diatoms have ____________ shells in two
halves that fit together like an old pill-box.