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WorksheetsC.R.A.B.S.
Total questions: 22
Worksheet time: 19mins
What does C.R.A.B.S. stand for?
Crystal River Aquatic Biodiversity Study
Crystal River Area Biodiversity Society
Crystal River Annual Biodiversity Survey
Crystal River Annual Biodiversity Study
What is normal range of salinity for saltwater?
30-50 ppt
30-50 ppm
.5 - 30 ppt
.5 - 30 ppm
what is normal pH for fish?
2.0 -4.0
4.0 - 11.0
0.0 -1.0
6.5 -9.0
Some abiotic factors include which of the following?
dissolved oxygen
salinity
temperature
all of the above
Biotic factors include which of the following?
turbidity
seagrass meadows
pH
All of the above
The seven rivers of our area in order from north to south are?
Crystal River, Withlacoochee River, Halls River, Homosassa River, Salt River, Chassahowitzka River, Weeki Wachee River
Withlacoochee River, Crystal River, Salt River, Homosassa River, Halls River, Chassahowitzka River, Weeki Wachee River
Chassahowitzka River, Withlacoochee River, Salt River, Homosassa River, Halls River, Weeki Wachee River, Crystal River
Withlacoochee River, Crystal River, Salt River, Halls River, Homosassa River, Weeki Wachee River, Chassahowitzka River
This is a picture of ?
tarpon
redfish
black drum
snook
This is a picture of ?
Black Mangrove
Red Mangrove
White Mangrove
Black Needlerush
This is a picture of?
cowfish
toadfish
batfish
flounder
This is a picture of a ?
Great Blue Heron
Little Blue Heron
Night Heron
White Pelican
This is a water moccasin?
True
False
This is a picture of a?
cormorant
anhinga
brown pelican
snake bird
This is a picture of a ?
anhinga
cormorant
brown pelican
white pelican
This is a water moccasin?
True
False
As a student research scientist, you are responsible for?
collecting only abiotic data at designated sites
collecting only biotic data at designated sites and while traveling between sites
collecting both abiotic and biotic data at designated sites
collecting both abiotic and biotic data at designated sites and during travel to and from designated sites
What is the name of the instrument (tool) used to measure turbidity?
pH meter
YSI
GPS
Secchi disk
Seagrasses....
stabilize the bottom with their roots and rhizomes
produce CO2 through photosynthesis
they help maintain water clarity by trapping fine sediments and particles with their leaves
Answer option 1 and 3 only
all of the above
This is a picture of ?
turtle grass
manatee grass
coral reef
my backyard
This a picture of?
turtle grass
manatee grass
coral reef
my backyard
Which of these rules is most important for you to follow?
Listen to directions first time given
Be polite and respectful
remain seated in the boat at all times until told otherwise
all of the above
What should you bring tomorrow to MSS?
Lunch (that does not need to be cooked)
plenty of water in your own (non-disposable) water bottle
warm clothes and shoes that can get wet
ALL OF THE ABOVE
Where should you go when you first arrive at school tomorow?
screen room
MSS
MRS. NENDZE'S ROOM (HOMEROOM)
stand in walkway and waste time
