Which concept is not a part of the theory of evolution? A. Present-day species developed from earlier species.
B. Some species die out when environmental changes occur.
C. Complex organisms develop from simple organisms over time.
D. Change occurs according to the needs of an individual organism to survive.

D. Change occurs according to the needs of an individual organism to survive.

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.