31) A biologist studying the population dynamics of pocket gophers : 1380992

31) A biologist studying the population dynamics of pocket gophers : 1380992.



31) A biologist is studying the population dynamics of pocket gophers in a meadow in central Oregon. She noted that, when population numbers are high, death rates from disease and starvation increase. This is an example of:

A) r-selected growth.

B) the principle of intrinsic rate of growth.

C) exponential growth.

D) density dependent control.


32) Which of the following items can be classified as a density independent factor in population growth?

A) food supply

B) disease

C) temperature

D) drinking water supply


33) Which of the following would be generally true of r-selected species?

A) Most live until older age.

B) All live very short life spans.

C) R-selected species are larger organisms that produce few offspring.

D) R-selected species are smaller organisms that produce many offspring.


34) You are doing field study work with a scientist studying spiders in the Amazon rainforest. You come across a previously undiscovered species of spider and set up a video camera with a zoom lens to observe it closely without disturbing it. You see the female spider lay two eggs, kill an ant that tried to eat one of the eggs, and preserve the ant to feed the hatchlings the next day. She lays two more eggs as soon as the two offspring grow larger and leave. When your mentor asks for a monthly update, what exciting news do you have for her about this species?

A) It exhibits unusual r-selected tendencies.

B) It exhibits unusual K-selected tendencies.

C) It exhibits unusual intelligent learning tendencies.

D) It exhibits unusual zero population growth tendencies.

35) From the time of the industrial revolution until about 50 years ago, the human population growth rate most closely resembles:

A) linear growth.

B) exponential growth.

C) variable, unpredictable growth.

D) fluctuating increases and decreases, with overall slow growth.


36) A population with a fertility rate of 2.1 will:

A) slowly shrink.

B) slowly grow.

C) double each generation.

D) decrease by half each generation.

E) exhibit zero population growth.


37) What would be a reasonable conclusion about a country with a fertility rate of about 1.6?

A) The population will grow at a yearly rate of 1.6 percent.

B) The population is likely to shrink.

C) Zero population growth will occur.

D) It must be a relatively young population.


38) What would be logical to conclude about a country with a population pyramid having a disproportionately large number of individuals in the 15—44 year old range?

A) The country is a developed country.

B) The country will exhibit little population growth.

C) The country will exhibit large population growth.

D) The country will exhibit zero population growth.


39) Which is true of predictions about the expected population of the United States in the year 2050?

A) The U.S. population will exceed 1.5 billion.

B) Immigration is not expected to have a large effect on the U.S. population.

C) The population is expected to grow about 43 percent.

D) Emigration is expected to have a large effect on the U.S. population.

40) Ecologists often say that one individual living in a developed country cannot be counted as ecologically equal to one individual from a developing country because:

A) the fertility rates are the same.

B) the use of natural resources per person is different.

C) r is different.

D) K is different.


41) A country’s fertility rate suggests zero population growth, but it shows an increase of 20—30 percent over 50 years. What might account for this?

A) better food availability

B) a larger proportion of post-reproductive females

C) higher environmental resistance

D) lower logistic growth

E) immigration





31) A biologist studying the population dynamics of pocket gophers : 1380992

Get a Quick Quote

Approximately 250 words
Total price (USD) $: 10.99

Let us do the hard and easy stuff in nursing for you

Find an experts in Nursing Papers and kickstart your grades today with NursingPapersLib.com

Best nursing assignment writers

It is easy to promise the availability of help with nursing assignments but without the best nursing assignment writers in the industry, such promises can turn out to be hot air. Our expert nursing writing services feature seasoned professionals who have been providing nursing writing help and consultation services for a long time. Irrespective of the year of study or practice students are involved in, the best nursing assignment writers know the nuances of nursing student’s needs. There is no better way to assure you of the best nursing writing services than providing nursing writing help from peers who are ahead of you and have only the best interests at heart. Only the best nursing assignment writers will handle your request for the best nursing writing service because your communication can get through to them. Knowing the potential nursing writing help that you seek from the way you frame your request is the hallmark of a writer who provides expert nursing writing services. This is because, with their knowledge, there is likely less room for misunderstood requests when you are seeking the best nursing writing service you need.

How it Works

Place an Order

Provide your contact information, select an order type, and describe your requirements. This isn’t going to take long!

Image showing step 1 of making an order
Image showing how to make payment for your order

Select an Appropriate Writer

We’ll match your specifications with our available authors after we have all of the relevant information concerning your order.

Image showing how to download your completed results

Enjoy the End Product

One of our specialists will fulfill your purchase according to your specifications so that you are happy with the end result.

Why Choose us?

Free Revisions

We understand that not always out tutors could catch all details required which arises a s a result of miscommunication or inadequate information provided. However, we are always eager to provide you with free revisions till we get it right with your Nursing Papers.

Quality Non-plagiarized Nursing Papers

Our Professional Team of Nursing Writers always adhere to quality standards and plagiarism policy. Furthermore, we employ Quality Control Tools to ensure you get Custom Written Nursing Paper. Every paper is reviewed by an independent editor for syntax errors before submission

Professional Nursing Writers

At NursingPapersLib.com, we specialize in Nursing Homework Help Services only. Thus, this allows us to cater to our nursing students and get high qualified nursing tutors who will deliver exceptional results in nursing papers

Flexible Pricing

We always endear to provide best prices that matches our quality and your budget. This is why we provide a pricing mechanism based off several factors such as length, level of education and type of assignment. our pricing are highly competitive across the industry standard prices.