Mantis Shrimp
Smith et al.
Stoddard et al.
UV light and Polarization
Previous Topics
100

This behavioral tendency of Mantis Shrimp gives them a violent and aggressive reputation. 

Punching their prey

100

Smith et al. found this distinction between trichromat and dichromat tamarins.  

Fewer training trials and ability to find ripe fruit

100

Most birds have this type of chromatic vision.

Tetrachromatic

100

This is the Latin meaning behind ultraviolet.

Beyond light

100

This term describes the way in which organisms uniquely perceive and sense the environment. 

Umwelt

200

Mantis Shrimp see these two types of light that most humans cannot see.

UV and polarized light

200

Fake leaves and fruits were used due to this potential sensory conflict. 

Smell interference

200

This term describes colors such as purple that cannot be evoked by monochromatic light.

Nonspectral colors

200

This term describes when light scatters by water or air, or reflects off smooth surfaces.

Polarization

200

Jumping spiders have this unique aspect to their visual perception of motion. 

The secondary eyes are highly sensitive to motion, if they are covered the spider cannot detect motion or track moving objects

300

Mantis Shrimp have this many classes of photoreceptors. 

Twelve

300

Females are more likely to be tetrachromatic due to this biological feature.

The X chromosome

300

Stoddard et al. found these results about the discrimination of nonspectral colors in hummingbirds. 

Hummingbirds can discriminate nonspectral colors from their "pure" components and can discriminate between two mixtures of nonspectral colors

300

Wavelengths of UV light range from ___ to ___ nanometers.  

10 to 400 nanometers

300

In the Kelber et al. article, Hawkmoths had no issues distinguishing the target blue from ___ in trial 2. However, in trial 3 they had difficulty distinguishing the target blue from ___.

Grey; dark blue

400

This phrase describes the relationship between movement and color in Mantis Shrimps.

To see color, they must give up color. To see color they must give up movement

400

Ripe fruit locations were varied systematically to prevent this behavior. 

Intuitively predicting location

400

Stoddard et al. conducted 19 experiments, 6 of which were ___ experiments and 13 of which were ___ experiments. 

Validation (why did they need to validate the experiment?) and nonspectral

400

These are three categories of polarized light. 

Linear, circular, and elliptical polarization

400

In the Hepper and Wells article, they found that dogs require the information of ___ footsteps in order to correctly determine direction. 

Five

500

Mantis shrimp are the only known organisms to see this polarized light. 

Circular polarized light

500

Dichromacy in Tamarins may be advantageous for this reason.

Breaking up the camouflage of predators or prey

500

The experiments support the notion that birds possess a tetrachromatic visual system that involves this function of cones. 

Comparisons of adjacent and nonadjacent cone types

500

John Lubbock helped propel the discussion of UV vision through this experiment. 

Lubbock's ant experiment (what was the experiment and what were his results?)

500

The realization that DMS (dimethyl sulfide) was released by plankton when eaten by krill, prompted this discovery about olfaction in the ocean.

DMS serves as a topographical map that shows birds where prey may be. (why is this?)

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