Click on the moth variant that was selected for during the industrial revolution, when pollution began to kill the lichen that previously covered all

the dark moths

Explanation:

only the dark survived cause the tree trunks where covered in black stuff from the polution of the industries

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 tricuspid valve is present between right atrium and right ventricle