Compare beetle, chicken and cat. What elements do they have in common? By what elements can we distinguish these animals?

Common features of beetle, chicken and cat: general plan of the structure; the presence of organs and organ systems; land animals.
Differences: size; integuments; limbs; body shape; ways of transportation; coloring; habits.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.