Scientific Writing
Squids
Experimental Design
Heart
Earthworm
100
This is an example of a _______ source.
Secondary
100
The hard part of the squid mouth is called the:
Beak
100
What is the function of a control group in an experiment?
The control group is not manipulated and serves as a comparison to the experimental group.
100
How many chambers does the mammalian heart have?
4
100
Earthworms digest food in their _______ and _________ .
crop and gizzard
200
What is an abstract?
Bonus- What should it include?
A summary of a scientific paper
Bonus- question & hypothesis, methods, results, and interpretation & conclusion
200
Identify F, H, I, N
F- gills, H- siphon (funnel), I- tentacle, N- mantle
200
The variables measured during the experiment are the __________ variables.
Dependent
200
Identify: F, I, N, O 
F- right ventricle, I- left ventricle, N- pulmonary artery, O- aorta
200
Earthworms are ____________, meaning they have both male and female gonads.
hermaphrodites
300
What is paraphrasing?
Rewriting cited text in your own words while preserving the meaning.
300
How do squids propel themselves through water?
By expelling water through their siphons
300
What is a hypothesis?
Bonus- What is a null hypothesis?
A testable, explanatory statement specific to research questions
Bonus- That the variance between experimental group and control group due to chance
300
The pulmonary artery pumps blood to the ___________ .
lungs
300
Identify: A, B, C, D
A- aortic arches, B- septa, C- crop, D- seminal vessicles
400
What should be included in the results section of a scientific paper? What should not be included?
Included- Final measurements and statistics
Not Included- Interpretation of measurements and statistics
400
What is the function of the pen in a squid?
To provide structure and stabilization to the squid body
400
On the following graph, what is the p-value and how would it be interpreted?
It is a statistic to determine if the differences between the experimental group and control group are due to chance.The p-value is less than 0.05, so there is a significant statistical difference between experimental and control group.
400
Where does deoxygenated blood from the body enter the heart?
vena cava
400
Earthworms are considered to be ceolomates, meaning what?
They have a body cavity surrounded by the mesoderm.
500
Methods should always be written in the _________ tense.
Past
500
What are the three main body parts of a mollusk?
Mantle, foot, and visceral mass
500
What statistical measurements are shown on this graph?
The mean and the standard error
500
The left chambers of the the heart contain ____________ blood.
oxygenated
500
The unsegmented saddle around the earthworm body near the 15th segment is called what?
Clitellum