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.
Crabs and crayfish are crustaceans, a subdivision of arthropods-the large group of animals without backbones (invertebrates) that includes insects, spiders, mites, scorpions â¦ and springtails. Arthropods have jointed legs and a hard outer shell that acts as a skeleton. 10 people found this useful.oaches are insects, not crustaceans. Crustaceans are mostly aquatic animals, although some (like the sow bug) do live in damp land environments. Roaches do not need an aquati â¦ c or damp environment and they flourish in dry areas including deserts.