Answer:
C
Explanation:
Trilobites were alive the longest time ago, so they would be found in the oldest rock layer.
Answer:
can you upload the question again..coz some part are not showing
Answer:
idk if it's good..
Explanation:
The dark-colored mice arose in the population at location A by random mutation. ... advantage over light-colored mice in that environment. • Over time, dark-colored mice became more common at location B because more of their offspring survived. to reproduce and pass on their genes, including genes for fur color.
Because bacteria mutates that's why we have a new flu vaccine every year , because strains of DNA in the bacteria change all the time.
