Animal vectors are required for pollination in:

Step-by-step solution

In Vallisneria, water pollination occurs, while mulberry and maize undergo wind pollination. In cucumber, animal pollination occurs by Bumblebees and honeybees. Related Theory In Yucca, the flowers are fully expanded and emit perfume during night. They are then visited by the moth-Pronuba yuccasella. The female moth has a long ovipositor and collects much pollen from a flower. She then visits another flower pierces the wall of the ovary with the ovipositor and deposits the eggs below the ovules. Then the moth climb