Why is studying bee's lifecycle important to humans?

Globally there are more honey bees than other types of bee and pollinating insects, so it is the world's most important pollinator of food crops. It is estimated that one third of the food that we consume each day relies on pollination mainly by bees, but also by other insects, birds and bats.

They help humans by:

They do so by transferring pollen between flowering plants and therefore keeping the cycle of life turning. The vast majority of plants we need for food rely on pollination, especially by bees: from almonds and vanilla to apples and squash.

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.