I think the answer is A..... ps c and d are the same
Answer: Tree
Explanation: Trees produce sap, nuts and fruits.
It's definitely not A. since the toxins would kill butterflies. B. doesn't seem relevant. C. doesn't make sense because the toxins in the pollen are to protect the corn not to make new strains. So, the answer would be D. The carbon dioxide level would increase in the area. Hope this helps!
The clade which is most likely to survive a series of catastrophic events over time is D. a clade with many distantly related and diverse species.
This is because this will ensure they survive given that they are so different, yet closely related.
It goes from cool to high to low again and goes on a continuous loop