Answer:
Level 4
Explanation:
Level 1 is an individual, Level 2 is a population, Level 3 is a community, and Level 4 is an ecosystem.
Mahalagang mapangalagaan ang mga hayop na paubos na upang sa mga susunod na henerasyon ito ay mapakinabangan pa.
Parents practicing authority over children
A Precambrian the Canadian shield dates back almost 4 billion years ago about the same time as the Precambrian eon.
