Natural selection occurs at the organizational level to

B) population

Explanation:

Acts on phenotypes on the individual level but evolution is at the population level. Microevolution is evolution at the population level

Hope it helps you

a neutral ph of 7 and normal organism temperature is needed for a certain enzyme to be effective.  

what would happen to the enzyme if the ph and/or temperature fluctuate greatly from the norm?  

a.the enzyme’s hydrogen bonds will break.  

b.the activation energy will increase.  

c.more product will be formed.

d.the ideal temperature and ph for the enzyme function will decrease.  

within 30 of the equator hope this