Knowledge in ecology, biology, and Powerpoint recommended.Your candidate species is Fineless Porpoise.Read the attached instructions very carefully.Finish the attached worksheet. The format should look exactly the same as the worksheet.Be sure to fulfill the rubric.
assessment_3_instructions.docx
assessment_3_worksheet.docx
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Assessment 3 Instructions
Instructions
1. Download the “Assessment 3 Worksheet.” Begin working on the worksheet after reading
through this document.
2. There are a few visual models that students will create for this assessment. Feel free to
either hand-draw them neatly and take a photograph or create them using a program,
such as Microsoft PowerPoint® and then save the slide as an image. Paste the
images into the worksheet.
3. Citations must follow the guidelines in the coursepack: “Literature Citation
Requirements.”
4. If your species is not yet extinct, approach the questions below as if it is already
extinct.
5. Feel free to use your notes while working on this assessment.
6. Point values are provided in the rubric.
7. This assessment is submitted to Turnitin and checked for plagiarism, including
copying websites or your peers.
a. Turnitin produces a similarity score and we use that score to indicate which ones
to check further for plagiarism
b. There is not a set similarity percentage that indicates plagiarism. The similarity
will depend on the length of the answers and if the questions are restated in
those answers.
8. Save the document as a Microsoft Word® document.
Part 1: Conservation
Did you read the instructions above?
1. Reflect on the benefits and threats to biodiversity. Predict which of these would relate to
your candidate species if it was reintroduced to an ecosystem. Incorporate multiple
examples. Include at least one citation (for your species or a closely related species) that
supports your prediction. Do not forget to include in-text citations in your answer.
2. The candidate species will initially be created in a laboratory setting and then likely will
be in a captive breeding program before it is released into a natural ecosystem. Create a
species survival plan for your candidate that will prepare it for re-introduction and
maintain the species in a natural environment after it is reintroduced. In your description,
include why it is a plausible plan for your species. Answer in 3-5 sentences.
Part 2: Species Interactions
3. Create a species interaction model for the community that may be used for your
candidate species’ reintroduction. Include at least 6 species, in addition to your
candidate species. Follow these instructions:
a. Create at least three examples of interactions that include your candidate
species and one other species.
b. Then create three additional examples of interactions that do not include your
candidate species.
c. Across the six total interactions, use at least three different types of interactions.
d. Label each interaction (or create a key) with the type of interaction: competition,
mutualism, commensalism, or consumption (predation and parasitism are
considered as different types of interactions if labeled as such).
e. Include a brief description for each interaction (incomplete sentences are
acceptable). Exception: there is no need to include a further description for
predator/prey relationships.
Assessment 3 Instructions
f.
Label the ends of each interaction line with +/-/N (positive, negative, or neutral) to
describe how each species is impacted by the interaction.
4. Include at least one citation that supports your model. This citation can be for the
ecological community and not your specific species.
5. Using the model, predict how the reintroduction of your species will impact the overall
community (e.g., will some species be positively impacted by having another prey item
while others will be negatively impacted by predation or competition?). Provide specific
examples, based on the model.
Carbon & Climate Change
6. Your candidate species contains carbon. Draw a pathway through the carbon cycle that
an atom of carbon might take from your species to another species in its potential
ecosystem. Follow these instructions.
a. Include the processes, all four spheres, and things (such as organisms) in your
diagram.
i. Name each sphere.
ii. Add the “things” within parentheses.
iii. Add arrows to indicate processes and label each arrow with the process
iv. Number the order of the processes
b. Feel free to include a description with your model.
c. Your model must make biological sense for the ecosystem.
d. Note that this is not just a replicate of the carbon model we made in class; it is a
specific pathway and will not include every process from the original model.
7. Predict to what extent re-introducing your species will impact the size of each carbon
reservoir/sphere and the equilibrium (or non-equilibrium) of the cycle. Explain your
reasoning.
8. Let’s say that your species is going to be re-introduced tomorrow. Predict how climate
change will impact your species in the next 50-100 years.
a. What will the climate be like in the next 50-100 years in your species’ region and
biome compared to what it is like right now?
i. Note that climate is more than just temperature.
ii. Provide citation(s) to climate models that you used to answer this
question.
b. Explain why you selected these climate models, such as who created the model
and how you accessed the model.
c. How will your species be impacted by these changes in climate?
i. Include at least one citation (specific to your species or the particular
habitat) for this question that supports your prediction. Do not forget to
include in-text citations in your answers.
9. Create a model that explains how variations in greenhouse gas concentration result in
changes in climate and how your species survival plan will impact greenhouse gas
concentration. The model should address the following questions:
a. How does greenhouse gas concentration influence climate?
b. Which type(s) of photons (light and/or infrared/heat photons) play a role in this
cause and effect relationship?
c. How does an increase in carbon dioxide cause an increase in temperature?
d. How will the survival plan (from question #2) influence greenhouse gas
concentration? (e.g., are there things necessary in the plan that will require fossil
fuels?)
Assessment 3 Instructions
Population Growth
10. Consider how the number of individuals changed over time before extinction. Was the
number stable until a sudden event caused it to crash? Was it a gradual reduction in
size? Was it similar across all populations- or at least our knowledge of it was
generalized to all populations?
a. Create a population (or species) growth curve for your candidate species- create
more than one if there was more than one way that the populations changed over
time (e.g., maybe some crashed suddenly while others gradually declined or
maybe some have crashed and a few populations still remain).
b. The curve does not need exact sizes or years- we often do not have that data
anyway- just provide general information- thousands, hundreds, tens…1700’s,
1800’s, recently…? Make sure to label the X- and Y-axes.
c. If your species is not yet extinct, it is okay to indicate that in the growth curve.
d. Make sure to note if the number of individuals refers to specific populations or the
species overall.
11. Describe how the numerical value of the carrying capacity changed over time and why it
changed.
12. What caused the collapse of the species? Name at least a couple issues (do not just
state “humans”) and label these as density-independent or dependent. Explain how you
concluded which one it is (some factors may not be obviously one or the other, but the
explanation should indicate an understanding of the concepts).
13. Include at least one reference, including in-text citations.
Assessment 3 Instructions
Critical
Elements
Exemplary
(100%)
Proficient
(75%)
Q1:
Biodiversit
y
3 points
Multiple, specific
benefits and
threats are
described.
2.25 points
A couple specific
benefits and/or
threats are
described.
Q2:
Survival
plan
5 points
The plan is
creative and
plausible for the
given species.
Q3 & Q4:
Species
interaction
model
10 points
At least 6
biologically
plausible, labeled
interactions and
at least three
different types of
interactions are
labeled in the
model.
Interactions
include brief
explanations,
when needed. +//N impacts are
included. A
citation is
included.
Q5:
Community
Prediction
4 points
Prediction is
specific to the
species and is
supported by the
model. It
incorporates
multiple species.
3.75 points
The plan is
plausible for the
given species but
is briefly
described (one to
two sentences).
7.5 points
At least 6
biologically
plausible, labeled
interactions and
at least three
different types of
interactions are
included. Some
interaction types
are possible but
descriptions are
vague or not
included. Or, a
few of the +/-/N
labels are
inconsistent with
the type of
interaction. Or,
the “exemplary”
level is met
except for the
citation.
3 points
Prediction is
specific to the
species and is
supported by the
model. It
incorporates a
couple species or
Needs
Improvement
(55%)
1.75 points
Multiple benefits
and threats are
described, but
they are general
for biodiversity
and not related to
the candidate
species.
2.75 points
The plan is
generic and not
designed for the
candidate
species.
Not Evident
(0%)
5.5 points
Less than 6
labeled
interactions
and/or less than
three different
types of
interactions are
included. Or, +//neutral impacts
are not included.
Or, the “proficient”
level is met
except for the
citation.
0 points
Diagram does not
contain any
interaction labels.
Or, there are no
descriptions nor
+/-/N impacts.
2.25 points
Prediction
incorporates
multiple species
but has some
inconsistencies
with the model.
0 points
Prediction is
general (e.g., that
more predators
will have food but
not which specific
species).
0 points
A couple generic
benefits or threats
may be listed.
0 points
No plan is
provided or just
repeats what was
state in the
question.
Assessment 3 Instructions
Can include direct
and indirect
impacts.
Q6: Carbon
Atom
5 points
Pathway begins
and ends at
biosphere, is
biologically
plausible, and
contains labeled
processes,
spheres, and
carbon-containing
things.
Q7:
Reservoir
Prediction
3 points
Prediction
accurately
considers the
relative sizes of
the reservoirs and
relates to the
carbon cycle
processes.
Q8:
Climate
Change
6 points
Explanation
predicts 1) how
climate will
change in the
specific
ecosystem and 2)
how that will
impact the
species. The 3)
selection process
for the models is
described and the
4) models are
cited.
5 points
The model
accurately
describes how
greenhouse gas
Q9:
Greenhous
e Gases
just one species
type (e.g., just the
predators of the
candidate).
3.75 points
Pathway begins
and ends at
biosphere, is
accurate, and
contains labeled
processes and
spheres. But it
does not include
potential carboncontaining things
or is not
biologically
plausible.
2.25 points
Prediction
accurately
describes the
relative sizes of
the reservoirs but
does not
accurately use
that information in
the explanation.
Answer relates to
the carbon cycle
processes.
4.5 points
Explanation is
missing one of the
criteria from the
“exemplary” level.
3.75 points
The model
primarily
addresses all
components in
2.75 points
Pathway contains
some
inaccuracies or
missing
information.
0 points
Most of the
pathway is
incorrect and/or
does not include
names of the
processes. Or,
the in-class
carbon cycle
model is simply
duplicated to
answer this
question
1.75 points
Prediction is
correct but
generic in relation
to the reservoirs
and the carbon
cycle.
0 points
Prediction
contradicts points
made in the
explanation.
3.25 points
Explanation is
largely vague
(e.g., how climate
is supposed to
change globally).
Or, it is missing
two or more
criteria from the
“exemplary” level.
0 points
The entire
explanation is
vague and not
related to the
particular species
or to particular
climate models.
2.75 points
All questions are
answered
correctly in essay
0 points
Model or
explanation does
not accurately
address the
Assessment 3 Instructions
Q10 & 11:
Growth
Curve & K
Q12 & 13:
Collapse
Critical
Elements
concentration
influences
climate, which
photons play a
role in this
relationship, how
carbon dioxide
affects
temperature, and
how the survival
plan influences
greenhouse gas
concentration.
4 points
Growth curve and
carrying capacity
explanation align.
A prediction for
why the changes
happened is
included. Graph
axes are
appropriately
labeled.
5 points
Causes are
realistic and
density factor
explanations are
accurate. A
citation is
included.
the “exemplary”
level but there are
some gaps or
vague
representations.
format rather than
a model.
components in
the “exemplary”
level.
3 points
Growth curve and
carrying capacity
explanation align.
A prediction for
why the changes
happened is
included. Graph
axes are not
appropriately
labeled.
3.75 points
Causes are
realistic and
density factor
explanations are
accurate. No
citation is
included.
2.25 points
One of the
following is
missing or does
not align with the
rest: the growth
curve, carrying
capacity, or
carrying capacity
explanation.
0 points
A generic growth
curve is provided
with possibly a
generic
explanation. Is not
specific to the
species.
0 points
Explanation is
vague (e.g.,
“humans are the
cause.”)
Exemplary
50-45 points
Proficient
44-35 points
2.75 points
One possible
cause is
explained. The
density factor
explanation is
accurate. Or, two
realistic causes
are explained but
the density factor
explanation is
inaccurate.
Needs
Improvement
34-20 points
Not Evident
19-0 points
Assessment 3 Worksheet
Instructions
Please see the “Assessment 3 Instructions” document for guidelines.
Some hints
Part 1: Conservation
1. Biodiversity benefits and threats related to your species (answer below):
Benefits: 5 sentences (in-text citations needed)
Threats: 5 sentences (in-text citations needed)
Citation(s):
2. Species survival plan: 3-5 sentences
Part 2: Species Interactions
3. Species interaction model (paste it below): graph
Include at least 6 species in addition to the candidate species
Part a: 3 examples
Part b: 3 examples
Part c: for part a & b. use at least 3 different types of interaction
Part d: label interaction
4. Citation(s):
5. Prediction: 5 sentences
Carbon & Climate Change
6. Carbon atom pathway model (paste it below): graph, description: 3-5 sentences
7. Impact prediction: 3-5 sentences
8. Climate change impact:
a. How the climate will change: 3-5 sentences – citations needed
b. Selection process: 2-3 sentences per model
c. How the species will be impacted: 3-5 sentences
d. Citation(s):
9. Greenhouse gas model (paste it below): graph + explanation (5 sentences)
Population Growth
10. Population/species growth curve: graph
Assessment 3 Worksheet
11. Carrying capacity change: 3-5 sentences
12. Collapse explanation: 5 sentences
13. Citation

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