Answer:
more blood cells come to that area to ward off infection
Explanation:
Tolerance towards cold temperature and adaptabilities are the variation that help the trout fish to survive.
<h3>Which factor help the trout to survive?</h3>
If temperatures fall over time because of climate change, the tolerance towards cold temperature is the one variation that would likely help the trout to survive because only those organisms survive in cold temperature that have good tolerance and various adaptation towards cold temperature.
So we can conclude that tolerance towards cold temperature and adaptabilities are the variation that help the trout fish to survive.
Learn more about trout here: brainly.com/question/13950000
#SPJ1
D. preserve ecosystems whilst providing for human needs.
the actual definition for sustainability is meeting the needs of the present without compromising the ability of future generations to meet their own needs.
