APES Lab 02 PRE LAB Algae Cultures Primary Production
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Last updated over 2 years ago
24 questions
Please read through the procedure PDF for Lab 02. Complete the questions below.
Make sure you have accessed this Formative through the Canvas assignment. If not, Formative will not transfer your grade to Canvas correctly and you will not receive credit for your work.
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Question 13
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Include screenshots of your completed data tables.
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You are summarizing the patterns you see in your data for each of the three parameters.
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Green plants, using the energy from sunlight, create __________ from __________.
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When the ocean appears __________, microalgae/phytoplankton __________.
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The movement of __________ plays a HUGE ROLE in photosynthesis.
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Microalgae, among other things, serve as the basis for food webs in both the freshwater and marine ecosystems.
True
False
Which of the following is true about microalgae?
There may be more than one correct answer.
photosynthetic
grow in aquatic environments and in the atmosphere, too
microscopic in size
live in the photic zone of the ocean and bodies of freshwater
single celled
Which species of algae will you be working with?
Hemidiscus cuneformis
Ulva lactuca
Chlorella vulgaris
Aureococcusanophagefferens
Globigerina chrysolis
Nutrients = fertilizer in the world of microalgae.
True
False
What is the dominant photosynthetic pigment in green plants and algae?
chlorophyll a
chlorophyll b
chlorophyll c
fucoxanthin
As you bottles change color, the conditions inside the bottle are changing.
True
False
Which basic description of respiration is correct?
carbon dioxide + oxygen yields fatty acids
fatty acids + oxygen yields carbon dioxide and water
fatty acids + carbon dioxide yields sugars
Plants use stored chemical energy to grow and maintain themselves.
True
False
In nature, something always limits how fast plants can grow.
True
False
Which of the following can act as a limiting factor plants and algae? There may be more than one correct answer.
light
nutrients
water (for terrestrial plants)
What are the carbohydrates from photosynthesis used for?
A
B
C
D
Which two Vernier sensors will you be using for this lab investigation?
aquatic diffraction grating
pH
dissolved oxygen
laser refractometer
In order for your DO and pH sensors to work correctly, you must connect them to your iPad directly through iOS and not Graphical Analysis.
True
False
The mini Secchi disk/Secchi stick is used for measuring turbidity.
True
False
Which of the following is accurate with regards to your collection of data for this investigation?
You should boil the water and algae first and then make your measurements.
You will have only 8-10 minutes to collect data at the beginning of class.
You will collect data every day.
You will have half of each class to collect your data.
Taking pictures of your algae culture bottles each day is optional.
True
False
Which graphs will you create using your week's worth of data?
pH vs. turbidity
DO vs. time
pH vs. time
turbidity vs. time
DO vs. pH
When making QUALITY graphs, which of the following should be labelled (with units, if appropriate)?
There may be more than one correct answer.
graph title
Y-axis
X-axis
graph legend
Are pictures of your algae culture bottles optional?
