Intro to Population Growth (ES)

Which of the following variables increase population size?

• Deaths

• Emigration

• Immigration

When a population goes over the carrying capacity this is known as

• oscillation

• overshoot

• dieback

• exponential

As a population reaches carrying capacity what happens to mortality?

• increases

• decreases

What does the graph represent?

• Emigration
• Exponential growth
• Immigration
• Logistic Growth

Which limiting factor is independent of the number of individuals in a population?

• competition
• parasitism/disease
• stress
• natural disasters

Which factor is a density-dependent limiting factor on the population of a species?

• seasonal variation
• natural disasters
• unusual weather
• predation

Which BEST describes what is happening at the 'A' on the graph?

• the population overshoots above the carrying capacity

• the population stops growing

• growth begins to slow down due to limited resources

• growth is speeding up due to an abundance of resources

To measure population density, you must divide the number of individuals living in a defined space by the

• area of the space
• birth and death rates
• carrying capacity
• height of the space

__________ growth shows growth of a population under environmental constraints that sets a maximum population size 

• logistic

• exponential

• niche

• uniform

J-Shaped curves

• show a decline after an increase
• display populations that have reached carrying capacity
• represent exponential growth
• does not depend on the numbe rof resources