For cells <span>to stay the same size from generation to generation, the two things that must be coordinated are GROWTH and DIVISION. During the normal cell cycle, cells undergo growth as well as cell division. This is done in different processes. Hope this answers your question. </span>
A chemical messenger is any compound that serves to transmit amessage. A chemical messenger may refer to: Hormone, Long rangechemical messenger. Neurotransmitter, communicates to adjacent cells.
<span>it is Method for determining Absolute Age</span>
Answer:
Newer layers of earth form <u>on</u><u> </u><u>top</u> of older layers, so as we dig, we can see further back in time. Comparing the fossils between the layers can offer evidence of change.
<u>Phyletic</u><u> </u><u>gradualism</u> - slow, but constant gradual change; supported by transitional species in the fossil record
<u>Punctuated</u><u> </u><u>equilibrium</u>- long periods of no change followed by short periods of rapid change. Can also be supported by the fossil record when no transitional species are found.
