If a plant's flowers are very colorful and produce nectar, the plant is probably pollinated by self-pollination insects wind water

insects

Explanation:

insects are usually attracted by very colorful flower and flowers with good scent and most of this flowers are usually pollinated by insects.

Insects are usually attracted to flowers with nectar because of the sweet juices produced at the nectar

I believe the correct answer from the choices listed above is option 4. This type of research is often successful in advancing knowledge regarding the functioning of human cells because cellular research using mice can always be applied to human cells since all complex organisms produce the same proteins.

Hope this answers the question. Have a nice day.