<em>An impact of an asteroid strike</em><em> would be damage to the ozone layer. </em><em>The vitality bestowed to the atmosphere by </em><em>the approaching object would be sufficient to disturb the defensive layer of ozone high within the stratosphere.</em>
Glad to help ya!! :)
If you're talking about something that lives off of eating others to survive, this would be considered a heterotroph
If you're instead asking for what hunts others as prey, then you'd consider this a predator
<em>If this is a multiple choice question, try looking for one of those two as the answer.</em>
True, meristem cells are undifferentiated