Population ecology

Multiple Choice

Food, water, sunlight, shelter, and space are resources that are often __________.

• limiting factors
• wet
• messy
• found in rocks

Multiple Choice

the pattern or spread of people in a given area

• census

• death rate

• population distribution

• demographics

Multiple Choice

Survivorship curve represented by high death rates for the young, then a slower death rate for survivors, good examples are fish and frogs.

• type I

• type II

• type III

• type IV

Multiple Choice

Survivorship curve represented by a death rate that is constant over organism’s life span, squirrels and songbirds are good examples.

• type I

• type II

• type III

• type IV

Multiple Choice

The mortality rate of organisms following a type I survivorship curve is __________.

• fairly constant throughout life

• higher in post-reproductive years

• lower after the organisms become established

• unrelated to age

Multiple Choice

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

Multiple Choice

The carrying capacity of an environment for a particular species at a particular time is determined by the

• number of individuals in the species.
• distribution of the population.
• reproductive potential of the species.
• supply of the most limited resources

Multiple Choice

What is the carrying capacity of the following graph?

• 1000
• 8000
• 800
• 600

Multiple Choice

Which limiting factor would increase due to the number of individuals in a population?

• Unusual weather
• Natural disaster
• Births
• Disease

Multiple Choice

As a population of a species increases within a territory, which of the following most likely also increases?

• Immigration

• Food supply

• Carrying capacity

• Competition

Multiple Choice

Animals such as pandas are long lived, mature slowly, and generally produce fewer offspring during their life spans but place a greater investment in each. What term is applied to this type of reproductive strategy?

• K-strategy

• r-strategy