After darwin proposed his ideas about natural selection, scientists began trying to test his ideas in a variety of ways. which of the following best explains why it was important that scientists did this? (2 points)
they had to see if this new idea fit the evidence they found in their experiments.
they knew they would be left behind by the scientific community if they did not.
they needed to discredit darwin as quickly as possible with contradictory evidence.
they were compelled to prove that this new idea was correct and lamarck was wrong.

Its because they wanted to see if the concept of natural selection fits in the evidence they found in their experiments or not.

Explanation:

Charles Darwin proposed the concept of natural selection. The same context of "Survival of fittest" used by Herbert Spencer was asserted by Darwin as "Natural Selection".

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.