Indicate at least three structural features of a sunflower flower that contribute to its pollination by insects.

1) small sunflower flowers – tubular and pseudo-ligulate – collected in a basket inflorescence;
2) sticky pollen forms in the stamens;
3) there are nectaries in the flowers.

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.