How to write the third grade insect record card

Observe the main characteristics of insects: 1. Observe the main characteristics of insects, first observe the body parts, chest and abdomen; 2. Observe the main characteristics of insects and then observe the characteristics of the head. The head has a pair of tentacles and a pair of big teeth; 3. Observe the main characteristics of insects, and then observe the chest characteristics. There are three feet in the chest; 4. Observe the main features of insects and then observe the abdominal features. There are stripes and hairs on the abdomen; 5. Observe the main characteristics of insects. Animals observe their body structure.

Insects belong to arthropods among invertebrates, and are the largest animal group on the earth, accounting for more than 50% of all biological species (including bacteria, fungi and viruses), and their traces are almost all over the world.

Until 265438+the beginning of the 20th century, the known insect species had exceeded 1 10,000, but there were still many species to be discovered. Insects are the most common kind of arthropods, including locusts, butterflies, bees, dragonflies, flies, Cao Meng, cockroaches and so on.

There are not only many kinds of insects, but also an amazing number of individuals in the same species. Insects are widely distributed, and no animal can compare with them, almost all over the earth. There are different kinds.

Most insects can be used as specimens and precious medicinal materials, which are good biological resources that human beings can use.