% difference in genetic makeup between humans?

# of individuals added to the population through reproduction.

When offspring are genetically identical to the parent, _____ has occurred.

Some snakes can undergo ____, where a female self-fertilizes her own eggs.

For fruit-bearing trees to reproduce, pairs are required. They cannot self-pollinate. This is an example of:

# of individuals born per 1,000 individuals per year.

# of deaths per 1,000 individuals per year.

Generally, the smaller the organism:

Population growth rate is calculated by:

The main factor that determines birth rate is:

It is normal for populations to fluctuate over time.

In most species, the sex-ratio is 1:1

In a population with many pre-reproductive juvenilles, the birth rate would be:

In a population with many reproducing adults, the birth rate would be:

Humans are just as vulnerable to limiting factors as other organisms.

As population _____, competition for resources _____.

When animals move from place to place depending on the limiting factors present in each environment.

What factors determine a population?

Which would be least likely to be affected by a density-dependent limiting factor?

What does the range of a population tell you that density does not?

As resources in a population become less available, population growth.

What can cause a population to grow?

Demographic transition is change from high birthrates and high death rates to:

Which are two ways a population can decrease in size?

If a population grows larger than the carrying capacity of the environment, the:

In LDC's like India, the human population is growing:

What would reduce competition in a population?

In Rwanda, there are more young children than teenagers and more teenagers than adults. This age distribution tell us that the population:

There are 2500 squirrels in one square mile surrounding Salisbury University. What characteristic of populations does this refer to?

When an individual moves into a population from a different population:

The average American's ecological footprint is:

The most successful method of controlling a country's population has been:

Which of these does not illustrate a density-dependent factor?

All of the following factors tend to cause women to have fewer children, except:

All of the limiting factors that act on a population are known as:

The reproductive capacity of a species is called its:

The _____ the organism, the _____ the gestation period.

In organisms that produce many offspring per year, infant mortality is usually low.

The phase of population growth with few individuals of reproductive age.

The phase of population growth where individuals reach reproductive age.

The phase of population growth where older individuals begin to die.

The phase of population growth where birth rate = death rate.

In some populations there is a fifth area of the growth curve called the death phase.

Population can increase indefinitely.

Which of the following is an extrinsic limiting factor?

Which of the following is an intrinsic limiting factor?

Environmental resistance can be triggered by:

Large organisms with longer lifespans and fewer offspring are usually:

Small organisms with many offspring and unstable populations are usually:

Which populations are usually more stable?

Which populations are expected to grow by 2.5 billion in the next 30 years?

Human population growth is a contributing factor in almost all environmental problems.

The impact of human activity on the environment is determined by:

Countries that export many resources usually do so at the expense of environmental degradation.

The study of populations and their characteristics.

Replacement fertility usually occurs at a ratio of:

What economic measure of "standard of living" accounts for the difference in prices between nations?

LDCs suffer from _____, while HDCs suffer from _____.