conservation, international agreements, managed use,
public awareness
Answer:
Two important measures of a population are population size, the number of individuals, and population density, the number of individuals per unit area or volume. Ecologists estimate the size and density of populations using quadrats and the mark-recapture method.
Explanation:
Answer:
I already answered this on your other post but here it is again so i can get the extra 5pts
Explanation:
Neptune is surrounded by unusual rings, which aren't uniform, but possess bright thick clumps of dust called arcs. The rings are thought to be relatively young and short-lived.