Chapter 8 Online Study Guide
13 Questions
| Total Attempts: 215
Chapter 8 study guide. You should work on this by yourself, do not give or receive answers!
Questions and Answers
- 1.Briefly describe the theory of Island biogeography. Be sure to include size, distance, extinction and immigration rates.
- 2.Read the connections on page 179. Answer the critical thinking (should be several complete sentences)
- 3.From the fist page. A study in Samoa found that _______% of the seeds landing on the ground during the dry season were deposited by flying goxes. Pollinators are often times keystone species!!!!!! If they dissapear then the entire ecosystem suffers.
- A.
20-40%
- B.
40-60%
- C.
60-80%
- D.
80-100%
- 4.The edge effect is important in the physical appearnce and population distribution of an ecosystem. For Example, the edge area between a forest and an open field may (1) b eunnier, warmer, and drier than the forest interior and (2) have a different combination of species than the forest and field interiors. Popular wild game animals, such as _______ and white-tailed deer, often are moer plentiful in edges and ecotones between forests and fields.
- A.
Feral hogs
- B.
Wolves
- C.
Pheasants
- D.
Red-winged nuthatches
- 5.Looking at species diversity. Research shows that in marine communities species diversity increases from the suface to a depth of 2,000 meters (6,600 feet) and then begins to decline with depth. Look at figure 8.4 In graph A which animal are they looking at?
- A.
Snails
- B.
Frogs
- C.
Clown fish
- D.
Tube worms
- 6.Read the section on introduced species. Killer bees were introduced to which Country in the Americas?
- A.
Mexico
- B.
Guatemala
- C.
Brazil
- D.
Ecuador
- 7.Which of the following species interactions is between the same species?
- A.
Intraspecific competition
- B.
Interspecific competition
- 8.Read about resource partitioning. In figure 8-11 warblers demonstrate resource partitioning. When was this paper on resource partitioning published?
- A.
1958
- B.
1972
- C.
1932
- D.
1999
- 9.What organisms are found in the guts of termites and digest the wood that the termites eat?
- A.
Bacteria
- B.
Protozoans
- C.
Fungi
- D.
Yeast
- 10.Which of the following plant species would be an example of a pioneer species?
- A.
Tree
- B.
Annuals
- C.
Lichen
- D.
Perennials
- 11.Which type of succession would be exemplified by an abandoned Wal Mart parking lot?
- A.
Primary Succession
- B.
Secondary Succession
- C.
Tertiary Succession
- D.
Quaternary Succession
- 12.What type of succession would follow a fire (Texas has had a historic year for fires and this type of succession is occuring throughout the state)
- A.
Primary Succession
- B.
Secondary Succession
- C.
Tertiary Succession
- D.
Quaternary Succession
- 13.Which type of mimicry would be a milk snakes (harmless) that resembles the venomous coral snake?
- A.
Batesian
- B.
Mullerian
- C.
Aposematic
- D.
Allelopathy
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