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Summary Act III Mission Memo Lab Instructions_ Scientific Reasoning - Arizona State University BIO 181 $2.99   Add to cart
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Summary Act III Mission Memo Lab Instructions_ Scientific Reasoning - Arizona State University BIO 181
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1. Background on Population and Growth Rate: Definition of Population: A population consists of organisms of the same species living in a specific geographic area. Example: All humans living in Phoenix form a single population of humans. Importance of Estimating Population Size: Estimating...

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  • August 30, 2024
  • 7
  • 2024/2025
  • Summary

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  • bio181
  • act iii mission memo lab instructions
  • act iii mission memo lab instructions scientific

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Act III Mission Memo: Scientific Reasoning Overview
1. Background on Population and Growth Rate:
• Definition of Population:
o A population refers to a group of organisms of
the same species that live in a specific
geographic area.
o Example: All humans living in Phoenix would be
considered a single population of humans. The
concept applies to any species, whether plants,
animals, or microorganisms.
• Importance of Estimating Population Size:
o Biologists estimate population sizes to
determine if a species is becoming rare (risk of
extinction) or overly abundant (potential for
overuse of resources).
o Understanding population size is crucial for
managing resources necessary to sustain the
population, such as food, water, shelter, and
space.
o Example: Predicting Phoenix's population over
the next 40 years helps determine if the current

, water supply will suffice for future needs,
guiding city planning and resource allocation.
2. Factors Affecting Population Size:
• Population Growth:
o A population grows when the number of births
exceeds the number of deaths. This positive
growth indicates a net increase in the
population size over time.
o Growth can be influenced by factors such as
high birth rates, low death rates, increased
immigration, or an abundance of resources like
food and water.
• Population Decline:
o A population declines when the number of
deaths exceeds the number of births, resulting
in a net decrease in the population size over
time.
o Factors contributing to population decline
include high death rates, low birth rates,
increased emigration, disease, predation, or
scarcity of resources.
3. Growth Rate:

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