A spider, a scorpion or a stick insect are often seen in pet shop or even at home of a classmate. Sometimes with questionable taste and little information because they can be dangerous.
If you click HERE you will enter in an interestig page about INVERTEBRATES
This page will help you to perform the task which I indicated in class:
You must to write for each invertebrate group 3 sentences in English about their characteristics. These may be ... "Sponges have ..." or "Sponges are ..." or "Sponges can ..." or " Sponges live..." or "Most have ..." or "Some ... have ... but others ....."