Pls help me it’s EMERGENCY.Answer the question correctly.

why is it important

Healthy marine ecosystems are important for society since they provide services including food security, feed for livestock , raw materials for medicines, building materials from coral rock and sand, and natural defenses against hazards such as coastal erosion and inundation.

How does it effect humans:

Recreation, tourism and water transport are familiar services provided by many marine ecosystems. Some unique estuarine, coastal, and marine habitats are also important stores of genetic material and have educational and scientific research value as well.

yes, because even though a theory has a  lot of evidence to support it, it is not always true