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these are not really hairs at all in the mammalian sense which are composed of keratin
spiders possess an exoskeleton composed of chitin molecule made up of bound units of acetylglucosamine
insect is supported by a jointed exoskeleton composed of chitin
wasp nests are primarily composed of a mixture of masticated wood chips and the salivary secretion
these ocelli are composed of a layer of photosensitive cells and are therefore highly sensitive to changes in light
insects exoskeleton is primarily composed of chitin a polysaccharide
eye is seen to be composed of repeating hexagonally shaped units known as ommatidia
body is composed of three regions head thorax and abdome
ommatidium is composed of separate units made up of a photoreceptor cell support cell and pigment cells
like the hair and nails of mammals feathers are also composed of the durable protein known as keratin
hairs found on the insects surface are composed of chitin whereas
amorphically shaped masses of organically composed biofilm
still life composed of a number of cold remedies including cold syrup at right throat lozenges in the center foreground