- type of
phototaxis is true
phototaxis,
which is a
directed movement up a
gradient to an
increasing amount of light. This is
analogous to
positive chemotaxis...
-
towards a
light source. This
reaction or
behavior is
called positive phototaxis since phototaxis refers to a
response to
light and the
organism is moving...
- the
organism to
either swim
towards the
light (
positive phototaxis), or away from it (negative
phototaxis). A
related response ("photoshock" or photophobic...
-
appear to
circle artificial lights. The
reason for this
behavior (
positive phototaxis) is
currently unknown. One
hypothesis is
called celestial or transverse...
- type of
phototaxis is true
phototaxis,
which is a
directed movement up a
gradient to an
increasing amount of light. This is
analogous to
positive chemotaxis...
- adaptations. Many
flagellates and
probably all
motile algae exhibit a
positive phototaxis (i.e. they swim or
glide toward a
source of light). For this purpose...
-
additionally in
positive phototaxis (in
planula larvae of hydrozoans), as well as in
avoiding harmful amounts of UV
radiation via
negative phototaxis. Directional...
- an
example of
chemotaxis as well. In the
eukaryote Euglena,
positive phototaxis and
positive phobotaxis exhibit nearly the same
action spectra, providing...
-
Optomotor response Tropism Adams, C. F.; Paul, A. J. (February 1999). "
Phototaxis and
Geotaxis of Light-Adapted
Zoeae of the
Golden King Crab
Lithodes aequispinus...
-
abandon their nutrient intake and crawl,
attracted by
light – a
positive phototaxis –
towards a dry,
light area, to get an
optimal spread of the spores...