I don’t understand the question but if I can make a correct inference, they have thorns to protect themselves from predators.
Answer: B. Comparative embryology
Explanation: Good luck! :D
Explanation:
What would cause a tree to die?
There are 5 factors to which a tree eventually succumbs: death from its environment, death from harmful insects and diseases, death from a catastrophic event, death from age-related collapse (starvation) and of course, death from harvest.
I hope this helps
Answer:
Prophase
Explanation:
During prophase, chromatin condenses into chromosomes, and the nuclear envelope, or membrane, breaks down. In animal cells, the centrioles near the nucleus begin to separate and move to opposite poles (sides) of the cell.
Answer:
This poisonis an example of an aboitic factor
