Essential Biology 5.3 Populations
Due Date:09-12-2010
Student Name:
Blog resource: http://tinyurl.com/34tofbg
1. Define population. “A group of organisms of the same species living in the same area at the
same time.” (1 p. 36)
2. Draw a box diagram to show the effects of natality, mortality, immigration and emigration on a
population:
3. Outline under which conditions a population will:
a. Grow
b. Remain stable
c. Decline
Stephen Taylor
Bandung International School
http://sciencevideos.wordpress.com
Essential Biology 5.3 Populations
Due Date:09-12-2010
Student Name:
4. In the space below, draw a population growth curve.
Annotate it to explain the exponential, transition and plateau phases and carrying capacity (K).
5. State three factors that set limits to population growth.
6. Use the population growth tutorial here:
http://bcs.whfreeman.com/thelifewire/content/chp54/5402002.html
What are the effects of:
a. Manipulating K?
b. Manipulating r?
c. Manipulating N0?
Stephen Taylor
Bandung International School
http://sciencevideos.wordpress.com
Essential Biology 5.3 Populations
Due Date:09-12-2010
Student Name:
7. ToK Discussion: Read this passage from Thomas Malthus’ An Essay on the Principles of
Population, written in 1798. Find out more about Malthus and his ideas.
"The power of population is so superior to the power of the earth to produce subsistence for man that
premature death must in some shape or other visit the human race. The vices of mankind are active and
able ministers of depopulation. They are the precursors in the great army of destruction, and often finish
the dreadful work themselves. But should they fail in this war of extermination, sickly seasons, epidemics,
pestilence, and plague advance in terrific array, and sweep off their thousands and tens of thousands.
Should success be still incomplete, gigantic inevitable famine stalks in the rear, and with one mighty blow
levels the population with the food of the world."
a. What are his predictions for the population?
b. Look at human population growth over the last 300 years. What was the population in
Malthus’ day? How about now? What about predictions for 2050?
c. How have we as a species been able to keep the human population in the exponential
phase for so long? Is this sustainable?
Works Cited
1. Allott, Andrew. IB Study Guide: Biology for the IB Diploma. s.l. : Oxford University Press, 2007. 978-019-915143-1.
Stephen Taylor
Bandung International School
http://sciencevideos.wordpress.com
Essential Biology 5.3 Populations
Due Date:09-12-2010
Student Name:
Self Assessment:
Essential Biology
Criterion
Presentation &
Organisation
Academic
Honesty
Objective 1
understanding
Objective 2
understanding
Objective3
understanding
Logic, notation,
mathematical
working
Further research
Complete (2)
Assessment
Partially complete (1)
Self
File names sensible, work complete and wellpresented. Filed in order of topic, and easy to
NA
access. All command terms highlighted or
underlined.
Sources cited using the CSE (ISO 690 numerical)
method, with Works Cited section complete and
NA
correct.
All answers for the following command terms
Most answers for the following command terms
correct:
correct:
Define
Draw
Label
List
Measure State
Most answers for the following command terms
All answers for the following command terms correct:
correct:
Annotate Apply
Calculate Describe Distinguish Estimate Identify
Outline
Most answers for the following command terms
All answers for the following command terms correct:
correct:
Analyse Comment Compare Construct Deduce Derive Design Determine Discuss
Evaluate
Explain Predict
Show Solve
Sketch Suggest
Answers are presented in a logical and concise
manner. SI units used most times, with correct
NA
unit symbols and definitions of terms. All
mathematical working shown.
Evidence is apparent of research and reading
beyond the textbook and presentations to find
correct answers to challenging questions. If any
NA
questions are unanswered, this criterion scores
zero.
Total (max 10):
Stephen Taylor
Bandung International School
http://sciencevideos.wordpress.com
MrT