The result was trees covered with spider webs. Administering certain drugs to spiders affects the structure of the webs they build. Nephila is a genus of araneomorph spiders noted for the impressive webs they weave. Kara finds Jesse quietly freeing Cambria from thick spider webs. Food chains are nested within the trophic links of food webs. Parker published a book of Spider-Man photographs called "Webs". The distribution of species is changing along with the structure of food webs. Females seldom move except to capture prey caught in their webs. There are short hairs on the lower sides of the interdigital webs. The term phytoplankton encompasses all photoautotrophic microorganisms in aquatic food webs. Many food webs have a keystone species. Most species live in burrows rather than webs. The best-known method of prey capture is by means of sticky webs. Interactions between animals form complex food webs. However, there is no single explanation for the common use of horizontal orb webs.