Most of these medications control adult and juvenile forms of fleas and flea eggs, as well as ticks and mosquitoes. (houstontx.gov)
But these laws still include tiny juvenile forms: «Lobsters can have around 7000 microscopic babies at one time,» he says, and recording each organism would be a time - consuming process. (sciencemag.org)
These are a Mexican form of tiger salamander (A. tigrinum) that are neotenic, meaning they reach adulthood without ever leaving juvenile form. (petbusiness.com)