Download Chapter 14 Online activities

Chapter 14 Online Activities
Name ___________________Date: ______Pd._____
Go to classzone.com. Click on “Animated Biology, then “Unit 5: Ecology”. Select “Chapter 14:
What Limits Population Growth.” Complete the animation (without sound).
1. How does a “limiting factor” directly or indirectly affect a population in an area?
GRAPH A
2a. Which limiting factor is described in Graph A?
2b. Describe what happens to the organisms because of this limiting factor.
3. What happens to the organisms in the three trophic levels after introduction of Kudzu, a tropical pest plant?
Get back to the main page and click on “Interactive Review”, Click on the drop down
menu under “Biology in the 21st Century” and select “14: Interactions in Ecosystems.”
And then “Vocabulary Games.” Click “Word Fetch.” Follow the directions and complete
the activity.
4. My difficulty level was _____________. It performed with perfection in
_______________seconds.
Click on “Crossword Puzzle.” Complete it and define the following:
5. What is the “relationship where one species benefits by harming another”? _____________________
6. What is the “movement of individuals into a population”? __________________________________
7. What is an “organism that is the first to live in a previously uninhabited area”? _________________
8. What is “a dramatic decline in a population size over a short period of time”? ___________________
9. Click on “Concept Map.” Click on “Section 2.” Complete the Concept Map by clicking and dragging each word
to its correct location. It may take you a few times…keep trying! . Write the correct words in the bubbles.
10. Click on “Quizzes” for Unit 5,Chapter 14. Complete each of the section quizzes,
click “submit”…did you get them all correct? If not, continue to try and submit again.
(The “green” answers correct). Answer the questions below that pertain to each of the
practice section quizzes.
a. Section 1 Quiz:
i. An African Savannah is the _________________for a zebra.
ii. Three parts of an organism’s niche are _______________, _________________ and _________________.
iii. Species that occupy similar niches in different geographical regions are
_____________________________________________________.
b. Section 2 Quiz:
i. Barnacles and whales demonstrate commensalism. What does this mean?
ii. How do nitrogen-fixing bacteria “help” certain plants?
iii. Describe the difference between an endoparasite and an ectoparasite (Hint: look at the word structure):
c. Section 3 Quiz:
i. Look at the survivorship curve graph. Describe what a “Type I” Organisms lifespan and mortality would look like.
ii. Protection from predators is one of the advantages of _______________dispersion.
GRAPH B
d. Section 4 Quiz:
i. An example of a density dependent limiting factor is ____________________.
ii. Graph B represents an example of ___________________population growth; this
might happen when there are unlimited resources and low amounts of predators.
iii. What does immigration do to a population size?
e. Section 5 Quiz:
i. Why are pioneer species important in succession?
ii. In primary succession, succession (“rebuilding”) of an ecosystem occurs without the _______________being
present. A good example of primary succession may occur on a newly formed volcanic island.
11. Extreme environmental stresses (flood, drought, fire, etc.) can affect populations severely. Some populations are
able to rebound over time, while other species struggle and go extinct. Using the following websites or a website of
your choice to answer questions a-c. Explain your answers in detail, and site the website source (s) you used to
obtain your information.
1. http://pubs.usgs.gov/fs/FS-040-99/
2. http://boricua.com/la-isla/puerto-rican-parrots
3. http://www.birdlife.org/datazone/speciesfactsheet.php?id=16664.
4.http://hurricanescience.org/society/impacts/environmentalimpacts/
5. http://en.wikipedia.org/wiki/Puerto_Rican_Parrot
a. The Puerto Rican Parrot population has changed a great deal throughout history, and in 1989, Hurricane
Hugo had a big impact on the parrot’s status. Describe how the population has changed and why.
Website(s): __________________________________________________________________________________
b. Why did Hurricane Hugo have such a profound effect on the parrots, compared with previous hurricanes?
Website(s): _____________________________________________________________________________
c. In 2005, Hurricane Katrina caused widespread damage in Louisiana and Mississippi, affecting both
people and the environment. Based on your knowledge of the Puerto Rican parrot, predict how the hurricane
affected endangered species in the region. Then, predict how healthy species have responded.
Website(s): _____________________________________________________________________________