You could talk about pollution, trash on beaches...etc
Answer: carbohydrates,lipids , protein and nucleic acids.
Explanation:
Means they are related through a common distant ancestor. This shows that these structures (morphology) are homologous. They all have 7 neck (cervical) vertebrae, but giraffes cervical vertebrae are elongated compared to that of humans due to their adaptation as browsers .
While helping plants it can affect bugs,reptiles,mice,etc because of the chemicals it can decrease the population of a living species and affect the food chain
