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.
Quick Answer. Amoebae use their pseudopods for at least two purposes including locomotion and feeding. In each case, the pseudopod is extruded from the plasma membrane of the amoeba's body, extended in the direction of its objective, and either pulled back with prey or followed by the bulk of the amoeba's body. Continue Reading.