Organisms (belonging to the same species) may adapt in different ways to better exploit different environments or resources-- survival of the fittest. They also may evolve varied characteristics for attracting mates for reproduction. This means that different groups evolve differently. Over time, these groups or populations may become so different that they can no longer breed together -- and separate species are formed.
You want to change the amount of time it takes for a hello packet to not be received before a router is declared offline. You can adjust its timing with the help of IP hello-interval EIGRP command.
The IP hello-interval EIGRP command allows you to change the hello interval for each interface, which determines how frequently EIGRP sends hello packets. When a router does not receive a hello packet, it maintains that a neighbor is alive for the hold duration. The hold time is commonly set to 15 seconds and 180 seconds, which is three times the hello interval. With the IP hold-time EIGRP command, the hold time can be modified.
To learn more about EIGRP command here
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Answer:
D. Oxygen
Explanation:
Food molecules are broken down by reacting with oxygen. Just like burning the candle in oxygen. Cells also carry out reactions that join together monomers such as amino acids, sugars, nucleotides, etc., to form long polymer chains.
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