sentence: Most spider webs are very thin, but are also very strong.
sentences_before: A 'spider web' is a sticky net that spiders make from silk to trap their prey. When insects fly or crawl into the web, they get stuck and the spider eats them.
sentences_after: Different kinds of spiders make different types of webs. Spiders make different webs in different places to trap many kinds of prey.
concept_name: spider webs
headings: Spider web
categories: Arachnids