18 Questions
What does the term 'population' refer to?
All the members of one species in one place at one time
What aspect of a population do scientists study by looking at density?
Protection
Which term describes the number of individuals in a population?
Population density
What does population distribution help determine about individuals?
All of the above
Why might a population exhibit 'random dispersion' according to the text?
Environment is uniform
Which of these patterns of dispersion implies a more evenly distributed population?
Uniform dispersion
What does carrying capacity (K) refer to?
The population size that an environment can sustain
Which of the following factors contributes to an environment's carrying capacity?
Food and water availability
What is a limiting factor in population growth?
A factor that causes population growth to decrease
Which type of factor depends on the density of the population for its limitation?
Density dependent factors
What growth model considers the carrying capacity and is limited by density-dependent factors?
Logistic growth model
What type of species grow exponentially when the environment is conducive?
r-strategist
What is the main reason for pine trees having a Uniform Dispersion in a random distribution?
Resource competition
What factor can lead to a sudden increase in population size of a natural population?
Immigration
How is rate (r) of population growth represented in population modeling?
b – d
Which type of growth results in the rate of population growth staying the same and the population size increasing steadily?
Exponential Growth
What can cause a Clumped Dispersion of pine trees, where they are grouped in some places and absent in others?
Patchy availability of resources
In population modeling, what does the term 'emigration' refer to?
Movement of individuals out of a population
Test your understanding of ecology in the first unit of Science 9 with Mr. Yeo for the academic year 2023-2024. Explore the statement of inquiry, key concepts, related concepts, and the global context. Focus on the term 'population' and its characteristics.
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