Animals are associated with plants are associated with

Animals and plants are associated with both divisions and phyla

As kingdom grows the more species are in the classifying group. 

And since there are only a number of kingdom and thousand species, it would account that species changes more rapidly and exponentially grows than kingdoms.

Explanation:

i would have a lunch. it's one big package of food, making it one food. : p

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.