ENV 111 Population Exam

The equation for mark and recapture is N = (M*n)/m

M (the number initial caught) = 5

n (the number caught the second time) = 10

m (the number marked the second time) = 2

What is the estimated population size?

• 100

• 50

• 25

• 10

A population that has a distribution where all of the individuals are close together.

• Random

• Clumped

• Uniform

An organism in which most individuals die early in their life has what type of survivorship curve?

• Type I

• Type II

• Type III

Which of the following would not be considered a density-dependent factor?

• Food

• Space

• Disease

• Fire

A population that begins increasing rapidly but then starts to slow down until it levels-off

• Exponential growth

• Logistic growth

• Normal growth

• Limited growth

Tags

NGSS.HS-LS4-2

The maximum population size that an environment can sustain over time.

• Population cap

• Growth stop

• Carrying capacity

• Resource limitation

A population experience exponential growth can maintain it indefinitely.

• True

• False

Tags

NGSS.HS-LS2-1

A species that is capably of producing many babies, reproduces multiple times, matures quickly, and shows little parental care would be described as

• r-selected

• K-selected

An organisms that is living within ideal conditions for all the various factors of its environment.

• Unavailable niche

• Marginal niche

• Preferred niche

• Super niche

The role a species plays in its environment and all of the conditions in which it lives.

• Habitat

• Ecological niche

• Generality

• Shelter