Population Dynamics
Biology ⇒ Ecology and Environment
Population Dynamics starts at 8 and continues till grade 12.
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See sample questions for grade 10
A population of deer has a carrying capacity of 800. If the current population is 900, what is likely to happen to the population size?
Describe how natural disasters can affect population dynamics.
Describe the effect of competition on population size.
Describe what happens to a population when it exceeds its carrying capacity.
A population of 600 animals has a birth rate of 0.1 and a death rate of 0.05 per year. What is the expected population size after one year?
A population of deer has a carrying capacity of 800. If the current population is 900, what is likely to happen to the population size?
A population of insects doubles every month. If there are 100 insects in January, how many will there be in March?
A population of 1,500 individuals has an age structure where 60% are juveniles, 30% are adults, and 10% are elderly. What is the number of adults in the population?
Which of the following best defines 'population density'?
(1) The number of species in an area
(2) The number of individuals per unit area
(3) The total biomass in an area
(4) The number of births per year
Which of the following best describes a population crash?
(1) Gradual increase in population
(2) Sudden decrease in population
(3) Stable population size
(4) No change in population
Which of the following best describes 'biotic potential'?
(1) The ability of a population to decrease
(2) The maximum reproductive capacity of a population under ideal conditions
(3) The number of deaths in a population
(4) The effect of limiting factors
Which of the following best describes 'carrying capacity'?
(1) The number of individuals born each year
(2) The maximum population size an environment can sustain
(3) The number of deaths per year
(4) The average age of a population
Fill in the blank: The death rate in a population is also known as __________.
Fill in the blank: The pattern of population growth that starts rapidly and then levels off is called __________ growth.
Fill in the blank: The pattern of spacing among individuals within a population is called __________.
Fill in the blank: The process by which individuals move into a population is called __________.
True or False: A population with a high proportion of young individuals is likely to grow rapidly.
True or False: Emigration increases the size of a population.
True or False: Immigration increases the size of a population.
True or False: Logistic growth occurs when resources are unlimited.
