The insects clustered around the light is an example of A response to a stimulus. The insects are attracted to the light, so the flocked towards it.
you are correct, it would be D. i hope this helps you out!
Answer:
The Markonikov's rule determines where to add a nucleotide in the reaction
Explanation:
In organic chemistry, the organic carbonyl reactions are governed by a set of rules. One of them is the Markovnikov's rule. Basically, the rule determines where the addition of the nucleophile and a hydrogen will take place in a chemical reaction involving alkene addition. In the reaction principles, there are rules to follow based on the syn and anti addition. This refers to which side the two groups will face. they add to the same side an called the syn. When its opposite side, then its anti.
A maintain different colored markings on their skinIn areas where
their ranges overlap, the frogs will remain
separate species if they
A maintain different colored markings on their skin