2. An ecologist spent a year studying the population dynamics of a species of duck on a lake. At the beginning of the year, there were 86 adults. Of these, 16 adults left the lake, 12 adults arrived on the lake from elsewhere, 76 chicks hatched from eggs, 24 chicks survived to become adults, and 8 adults died. How many individuals emigrated? A) 8 B) 12 C) 16 D) 24 3. If more individuals move out of a forest than into it every year, the rate is high.

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter54: Ecosystems And Global Change
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Problem 10TYK: Which of the following statements is supported by the results of studies at the Hubbard Brook...
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2. An ecologist spent a year studying the population dynamics of a species of duck on a lake. At
the beginning of the year, there were 86 adults. Of these, 16 adults left the lake, 12 adults
arrived on the lake from elsewhere, 76 chicks hatched from eggs, 24 chicks survived to
become adults, and 8 adults died. How many individuals emigrated?
A) 8
B) 12
C) 16
D) 24
3. If more individuals move out of a forest than into it every year, the
rate is high.
Transcribed Image Text:2. An ecologist spent a year studying the population dynamics of a species of duck on a lake. At the beginning of the year, there were 86 adults. Of these, 16 adults left the lake, 12 adults arrived on the lake from elsewhere, 76 chicks hatched from eggs, 24 chicks survived to become adults, and 8 adults died. How many individuals emigrated? A) 8 B) 12 C) 16 D) 24 3. If more individuals move out of a forest than into it every year, the rate is high.
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