<span>the internal environment being kept within certain limits
(example of homeostasis)</span>
<span>adequate oxygenation
Hope this helps :)
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Their called cubs and they are adorable!
Have a great day. ^_^
DNA is used for replication in cells, the replication is called Semi conservative. Tis is when two strand of DNA are used as a code for a new DNA molecule.
A. Mass extinction is the answer
