2. Supergroup Amoebozoa
Members of the Amoebozoa are the
amoebae (sing., amoeba). When
feeding and moving, they form
temporary cell extensions called
pseudopodia .
Pseudopodia are false foots.
Pseudopodia exist in a variety of
forms.
3. Lobopodia
Lobopodia are broad cell processes
containing ectoplasm and endoplasm
and are used for locomotion and
engulfing food.
4.
5. Filopodia
Filopodia contain ectoplasm only and
provide a constant two way streaming
that delivers food in a conveyor-belt
fashion.
6. Reticulopodia
Reticulopodia are similar to filopodia,
except that they branch and rejoin to
form a netlike series of cell extensions
7. Axopodia
Axopodia are thin, filamentous, and
supported by a central axis of
microtubules. The cytoplasm covering
the central axis is adhesive and
movable. Food caught on axopodia
can be delivered to the central
cytoplasm of the amoeba.
8.
9. Some members in this supergroup
lack a test, cell wall, or other
supporting structures. These amoebae
are naked and are normally found on
shallow-water substrates of freshwater
ponds, lakes, and slow-moving
streams, where they feed on other
protists and bacteria.
They engulf food by phagocytosis.
10. Binary fission occurs when an amoeba
reaches a certain size limit. As with
other amoebae, no sexual
reproduction is known to occur.
