The answer is C & E
Fatigue as well as Enlarged lymph nodes
Well the insects eat the plant and the small animals eat the insects and so on.if the insects die the food chain is broken.
Variables is likely the correct answer.
Answer:
tagging the sharks
Explanation:
To learn their behavioral patterns researchers are tagging the sharks. Doing so allows the researchers to track their movements individually and gather data as to how they move, where they migrate to, how many migrate together, etc. All this information is extremely valuable and when pieced together can shed light on why they have certain behavioral patterns or traits.
