Describe the external differences between the crayfish and the crusader spider.

It can be seen that the cancer has 5 pairs of walking legs, and the spider has 4. The spider does not have antennae; the cancer has 2 pairs. In cancer, the eyes are faceted, in the spider there are 4 pairs of simple ones.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.