Answer:
wildlife refuges
Ecosystems
Endangered species
Seashores
Monuments
Step-by-step explanation:
Part of the duties of the National Park Service is to ensure the continuity and preservation of the following:
WILDLIFE REFUGE:
Wildlife refuge is a set apart area for protection, conservation and preservation of wild animals such that hunters of all sorts are restricted from encroaching.
ECOSYSTEMS: This Is a natural community where living things of different sort interacts with one another and their surrounding environment. This interactions also involve the activities of nonliving things in a natural cycle to maintain the stability and energy flow in the system.
ENDANGERED SPECIES:
Endangered Species are species with high tendencies of going into extinction.
MONUMENT: The national park service also have the responsibility of managing national monuments and historical materials.
SEASHORES: The agency also maintain the seashores within her landscape.