That site is known as "ACTIVE SITE".
Answer:
Each combination of an element with a different number of neutrons is called an isotope. The radioactive isotope is called the parent, and the isotope formed by the decay is called the daughter
Answer:
D.Impressions left by organisms are filled in with sediment that hardens into rock.
Answer:
embryo uses food
root grows
seed absorbes water
stem grows
leaves open into seadling
Mutation is the alteration of the DNA. therefore when mutation occurs, the genetic variation increases. hence population increased