Environmental Test 3 Review

The human population can maintain an exponential growth rate indefinitely because we are exempt from population crashes.

Populations that overshoot their carrying capacity will suffer ____.​

In areas of low infant mortality rates, women tend to have fewer children because fewer of their children die at an earl

A high infant mortality rate is usually associated with ____.​

A population crash occurs when ____.​

The importance of children as a part of the labor force, especially in less-developed countries, ____.​

​The departure of individuals from a population is called ____.

Pollutant levels in cities are ____.​

​Carrying capacity refers to ____.

Birth and death rates generally decline as countries develop economically.​

A relationship in which one species benefits while the other is neither helped nor harmed best describes what?

​Sea otters play a role in maintaining the biodiversity of which ecosystem?

A relationship in which both species benefit best illustrates ____.​

One organism benefiting by living off of another, which is harmed by it, is called what?

A fox catches and eats a mouse. In this interaction, the fox is the ____.​

Family planning, economic opportunities for women, and schooling for girls generally produces a higher birth rate.​

To keep human population constant, the global total fertility rate would have to equal ____.​

One of the cultural preferences driving couples to continue having children in India is ____.​

​Tapeworms live inside and may harm their hosts by drawing nourishment from them. This interaction is an example of ____

​In a desert environment, the amount of plant growth is controlled by the amount of precipitation. This is what?

​Prey species are those that feed directly on all or part of another organism.

The number of individuals in a population found within a defined area or volume is the ____.​

Educational and employment opportunities available for women affect population growth because ____.​

China’s one-child policy ____.​

Different species interact over a long period of time changes in one's genes can affect the other, is commensalism

​A population's growth rate will increase after the population reaches its carrying capacity.

The obvious relationship demonstrated by a food chain is ____.​

Most cities do not benefit from the free ecosystem services provided by ____, including air purification.

Urban areas are attracting more and more residents, partly because of the hope for employment.​

​The southern sea otter is a(n) ____ species that helps to sustain kelp forests by controlling populations of sea urchin

​Hummingbirds consume nectar from flowers, and transfer pollen in the process. This is an example of ____.

Which type of interspecific interaction could best be described as a “win-win” interaction?​

​Sea otters play a role in maintaining the biodiversity of which ecosystem?

A declining population can threaten the government’s ability to fund pensions and health-care costs for retirees.​

The population of ____ is projected to drop 24% by 2050.​

Bacteria in digestive systems that help to break down the animals’ food, and in return receive nutrients, is mutualism.

Human population growth since 1960 has been evenly distributed around the world.​

Over the last 200 years death rates have dropped due to improved sanitation, health care and antibiotics.