Why plants grow towards the light. 1  Botany: A Stem's 'Sense of Self' Contributes to Shape. 2  Scientists Discover C4 Photosynthesis Boosts Growth by Altering Size, Structure of Plant Leaves, Roots. 3  Cellulose Goes Off the Rails: Without Microtubule Guidance, Cellulose Causes Changes in Organ Patterns During Growth.
Tasting hairs on the legs of a roach can not only help it determine a food source, but help it avoid pesticides as well. Glycocides -- poison baits mixed with glucose -- were traditionally used to dose the sweet-loving cockroach with lethal toxins.
Technically hermit crabs have 10 legs including the chelipeds. 2nd &3rd pair - walking legs used for movement. Gonopores are located at the base of the 3rd pair of legs on a female. 4th pair - stubby looking legs used to move in and out of shell. 5th pair - gill grooming appendages that end in pinchers for cleaning the gills and removing excrement from the shell. Male crabs have tufts of hair concealing openings at the base of the 5th pair of legs.