Unit 3 Test Flashcards
In examining this survivorship curve, you would expect the r-selected species to be represented by the _____ line because ______.
Type III; intrinsically high growth rate and high juvenile mortality
Birth rate is expressed as:
births per 1000 individuals.
Of the following, which could reduce one’s ecological footprint?
reusing plastic grocery bags as garbage bags.
refusing single-use items.
reducing the amount of fossil fuel used.
All of these can reduce one’s ecological footprint
All of these can reduce one’s ecological footprint
Which of the following are typical expenses incurred while raising a child in a country with a high standard of living? clothinges costs college expenses transportation costs All of the above.
All of the above.
Without a national social security system, elderly persons living in a developing country tend to rely on their children to support them. their spouse for support. their own small garden for food. their savings.
their children to support them.
The rural family size in a developing country can be reduced by
growing only grain crops.
mechanizing farming methods.
having women spend long hours working in the fields.
making farms smaller.
mechanizing farming methods.
A transitional nation will experience:
low birth rate, high death rate.
high birth rate and low death rate, high population growth.
high death rate, low population growth.
high birth and death rates, little population growth.
high birth rate and low death rate, high population growth.
The qualitative measure of a person’s quality of life is called the:
Standard of living
Humans can affect their carrying capacity on earth by:
All of these affect human carrying capacity on Earth
Polluting food sources
Improving agricultural efficiency.
Investing in new technologies