Use the drop-down menus to complete the statements. occurs when an entire species cannot adapt to a long-term environmental change.

A population that cannot find food after a flood in the environment may
in order to survive.

Over many generations, the build up of favorable adaptations in a population may lead to
.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.

answer; procedure;