I think it will be number 4
I do not see a passage to help
That is a metaphor. Two things are being compared without using like or as.
Hope this helps. :)
Answer:
Here:
Explanation:
The sentence: The number of endangered species <u>increases</u> every year.
Why? - The word "is" is not written so then you would write it with es at the end instead of adding an is.