cfw_14. if four different snake species with identical food and habitat niches colonize an island at the same timeI
and one is better able to detect and acquire food than the othersI which of the below options will most likely
C) The spec
cfw_19. Wolves were hunted to extinction about a century ago in the eastern LLB. and Canada. Recently. wild wolves
have made a return to eastern Canada. IWolves eat deer in this area. which otherwise have few natural
predators. Based on your results in th
Q1. What is the carrying capacity for moose in the simulation model of Isle Royale. prior to any changes in the
Q2. Suppose the rate of plant growth on Isle Royale supported an equilibrium moose population of 3M moose.
In this scenarioI there a
QB. Imagine that after the birds have been living in the city fcr many years a second big fleck of birds arrives.
ch will the bird pepulaticn size change in the lllI lie illI years after the extra birds arrive? Cheese the graph that
best represents how th
Q4. The graphs below depict hypothesized population dynamics cfw_population size. H, vs. time for a predator-
prey system. Based on what you've learned in this tab by investigating moose and well population cycles.
which graph best represents a predator-p
15. A third species of kangaroo rat is introduced into the habitats of the two species from Question 5. If this
third species is biologically similar to the rst two, but also eats insects, which of the following will most likely
If All three speci
Q5. How does the average fat shores fer "loose when there are no wolves en Isle ReyaIe compare to average fat
stores when there are many wolves?
If) Average fat stores without wolves is similar to that with wolves.
If) Average fat stores depends on how ma
B Graded Questions
You should be able to answer these questions based on the data you collected in your workbook.
These questions will be graded by your instructor. Your score will be available on the Home screen
when your instructor publishes scores for
cfw_13. Two species of bats colonize an island at the same time. There are similar numbers of moths and beetles on
the island, but no ether bats. The only difference between the bat species is foraging ability; one is more
efficient at catching beetlesI a
11 I). On an adventure to a faraway place, you discover two previously unknown species at woozle. You notice
that purple woozles live on the ground and orange woozles live high up in the trees. 1'I"ou gather up all of the
purple woozles (they're easier to
The FDA recently took action on pure powdered caffeine products, due to
some research. The research claims that one teaspoon is equivalent to the amount
of caffeine in about 28 cups of regular coffee. The caffeine has some serious
effects like nervousn
Metric system and Microscopy LM #2
1. Describe three examples of the metric system in use in your daily life.
On some medicine you are required to measure it by milliliters, due to
a high certainty of getting the prescribed doses, instead of using a
i- lvn A.~_._._.M_
FTest Tube Numberl
You will use a spectrophotometer to quantify experimental results in several
exercises this semester. The spectrophotometer can be used to:
1. Determine the am
5. Remove the lid from the chromatography jar, place the chromatogram in the
cylinder, and quickly replace the lid. The chromatogram should not touch the
sides of the jar. Figure 7 shows a properly assembled chromatography unit.
6. Allow the chr
2. Obtain 6 cuvettes. Place a cuvette directly behind each of the 6 samples that
you prepared in Exercise 2, lined up, in order, in the test tube rack. Transfer
the contents of each test tube (from Exercise 2) to the corresponding cuvette.
(It is not nece
1.Based on hierarchical levels of biological organization, which of these choices
represents the broadest level?
a. Based on biological organization, the answer is D. This is because the amazon
basin fulfills the most complex/broadest
Eastern Equine Encephalitis Virus
West Nile Vaccine
NIH-funded vaccine for West Nile virus enters
human clinical trials (Phase 1)
Integrated Vector Management
Integrated Vector Management?
Lets be clear on the word
It means combining or coordinating separate
elements so as to provide a harmonious,
So what are we integrating? (for Vector
What is it?
Dengue is a systemic viral infection
transmitted between humans by Aedes
mosquitoes, principally Aedes aegypti and
Four related RNA viruses (called serotypes)
As many as 400m annual cases (CDC), 100m
The climate is changing
climate is what you expect, weather is what you get
This is a normal occurrence, climates change
Think ice ages, glaciers over the land
20,000 years ago, the Laurentide glacier extended to Lon
Insecticide Resistance plus
Weve been talking about controlling vectors
One major way is thru insecticides like DDT
We discussed the pros and cons of DDT on
There are a lot of insecticides, and well talk of
Id never heard of it either
It is an RNA virus, first described during an outbreak in
southern Tanzania (Africa) in 1952.
The name refers to the contortions of infected patients
in Makonde (the local language)
It is endemic
Roundworms (in cross section)
Tube within a tube body plan
Cause many parasitic diseases (Ascaris,
hookworm, etc.), 2 major vector-borne (lymphatic
Life Cycle and History
The Disease Agent
5 species of the genus Plasmodium
Members of the protozoan phylum Apicomplexa (all obligate parasites)
~200 species, infecting birds, reptiles, rodents, and non-human
There are 2 rel