True or false? living organisms depend only on other organisms to which they are closely related

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.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

c. heat from the poles back down towards the equator.

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it