QUESTIONS AND SOLUTIONS RATED A+
✔✔Try out the "water calculator" at https://www.watercalculator.org/wfc2/q/household/
to determine your water "footprint". When you get to the second to last question, choose
"Getting My Water Footprint"
1. What is your water footprint, both individual and household?
2. How does it compare to the national average? Scroll down to see where you are
consuming the most water.
3. What are your three highest sources of consumption?
4. What three (realistic) measures you personally can take to reduce your water
"footprint"? Write this information down - you will need it for a question on the exam! -
✔✔individual: 1,040 gallons/day
household: 4,160 gallons/day
Personal is less than the US average: 1,802 gallons per day
top 3: diet, shopping habits, shower
1. Incorporating more vegetables into my diet
2. Recycle clothes and items I don't need (recycle everything that I can)
3. Spend less time in the shower
✔✔Blue Planet II - One Ocean Viewing Guide - ✔✔;3
✔✔What percentage of the surface of the planet is covered by ocean? - ✔✔70
✔✔The first three animals profiled here in the documentary all display an intelligence
not previously accorded to them. What are these animals and what is the behavior that
suggests intelligence? (You will need to stop the documentary and come back to this
question.) - ✔✔dolphins - surf graceful
whales(orca)
fish
crustacean
seal
✔✔What "skills" does a bottlenose dolphin calf (baby) in the coral reefs of the Red Sea
need to learn? Why is this skill important? - ✔✔how to rub with the plant(gorgonian
frons) protect from infection
covered with mucus that has anti-inflammatory and anti-microbial properties
, ✔✔What percentage of the ocean floor is occupied by tropical coral reefs? - ✔✔10th of
1%
✔✔What are the implications of shallow warm waters and stable round year conditions
in the tropics? - ✔✔support some of the most crowded and varied communites to be
found in the ocean
new discoveries to be made
✔✔What is a tusk fish? Where is it found? Why is it interesting? - ✔✔challenging fish
intelligence
has tusks
great barrier reef
travels to edge of reef
it can move things around
use tools
✔✔Stop the documentary at 18:12: Earlier in Module 1, you watched "Evolutionary
Arms Race." What potential arms race do you see occurring between the terns (birds)
and the trevallies (large fish) in the remote atoll in the Indian Ocean featured in this
documentary? (You may want to back up to 11:30 to watch this short segment again.) -
✔✔trevalles get faster and smarter at catching tern
evasion
✔✔The oceans hold ___________of all the water in the world. - ✔✔97%
✔✔How are clouds formed out on the ocean? - ✔✔water evaporates, vapor rises into
the sky
✔✔What deflects storms out on the ocean into cooler latitudes in the north and the
south? - ✔✔the spinning of the earth
✔✔What do the mobula rays feed on in Mexico's Sea of Cortez? - ✔✔plankton
✔✔What phenomenon makes it possible for the mobula rays to feed at night when
plankton rises from the depths? - ✔✔luminescence by the plankton caused by
disturbance in the water
✔✔What are phytoplankton? (This is mentioned in the documentary, but you might want
to google it as well). - ✔✔microscopic marine algae
✔✔What three plants produce as much oxygen as all the forests and grassy plains on
land. - ✔✔phytoplankton
seaweeds