Human carrying capacity made its initial increase in Europe during the Mesolithic time period because of ________.
A. decreased population due to disease
B. more gathering of wild fruits and berries
C. more emphasis upon food cultivation
D. increased hunting of wild animals
Answer: C
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How can the age of a sample be determined from a graph of daughter and parent atoms versus time?
A) The y-intercept will show the amount of sample present in a certain mass. B) The intersection of the daughter and parent atom lines will show the age. C) The ratio of daughter to parent atoms will show the age. D) The slope can be interpreted to find the age.
The usual rigors of the intertidal zone are less severe in the sandy intertidal than the rocky intertidal
Indicate whether the statement is true or false
The Atlantic coast is also referred to as a(n) ____.?
A) ?margin that continually changes from being a passive margin to an active margin and then back to passive margin B) ?active margin C) ?margin that gradually transitions from a passive to an active margin D) ?passive margin
What community has the highest biomass per unit of surface area?
A) Rocky intertidal B) Estuary C) Sandy beach D) Deep ocean