Question

add a comma or semicolon if needed. otherwise, submit the text without any additional punctuation.

some plant species have spines to protect themselves or use chemical deterrents to repel insects.

save answer

Explanation:

The sentence has two parallel verbs ("have" and "use") sharing the subject "Some plant species," connected by the coordinating conjunction "or." No comma is needed before "or" in this simple compound predicate.

Answer:

Some plant species have spines to protect themselves or use chemical deterrents to repel insects.