The introduction of therapeutic drugs and community-based treatment programs in the helped to empty large mental hospitals as well as mark an era of improved treatments. 1940s 1970s 1950s 1960s

i think its c. amphipod

as many times as you want

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.