WorksheetsMarine Bio Batoids Review
Total questions: 30
Worksheet time: 15mins
Batoids, as a group, includes
sharks
rays
skates and rays
sharks, skates, and rays
Elasmobranchs, as a group, include...
sharks
skates and rays and sharks
skates and rays
sharks, skates, rays, and ratfish
Has 2 small dorsal fins on a stubby tail
skates
rays
both skates and rays
neither skates and rays
Has a barb on its long, skinny tail
skate
stingray
manta ray
both skates and rays
The males have claspers
sharks
skates
rays
all 3
This (these) animals have internal fertilization during reproduction
sharks
skates
rays
all 3
Pup development inside the mother but attached to a yolk
oviparous
viviparous
ovoviviparous
placental viviparity
This animal has ONLY oviparous development
sharks
skates
stingrays
manta rays
This animal has ONLY ovoviviparous development
sharks
skates
rays
ratfish
This animal has all 3 types of development
sharks
skates
rays
ratfish
This animal feeds with bony plates
sharks
stingrays
manta rays
devil rays
This animal filter feeds on plankton
hammerhead shark
sawfish
stingray
manta ray
This is the largest skate
big skate
common skate
thorny skate
barn door skate
This skate is found in Puget Sound
common skate
barn door skate
big skate
thorny skate
This animal looks like a shark except for the location of its gills and its long snout with barbs
ratfish
sawfish
big skate
manta ray
This animal is likely found closer to the surface
sting ray
manta ray
big skate
sawfish
This animal has a cartilaginous skeleton
rafish
sawfish
stingray
all 3
The Ampullae of Lorenzini detect
water pressure / vibrations
sound
electromagnetic fields
smell
Skates and rays have Ampullae of Lorenzini
True
False
Skates and rays do NOT have a lateral line
true
false
The gill slits of skates and rays are on the...
ventral surface
dorsal surface
sides of the animal
they do not have gill slits
How many gill slits do skates and rays have?
1 each side
3-4 each side
5-7 each side
8-10 each side
The total number of gills slits of most stingrays is...
1
2
5
10
Which body parts are on the DORSAL surface of skates and rays?
Eyes and nostrils
Gill slits and mouth
Eyes and spiracles
Mouth and Spiracles
Which body parts are on the VENTRAL surface of skates and rays?
Eyes and spiracles
Spiracles and nostrils
Mouth and spriacles
Mouth and gill slits
The spiracles help a stingray...
float
digest food
detect prey
breathe
What travels through the gel inside an Ampullae of Lorenzini?
water
electrical current
blood
smells
If you dissected a stingray, would you expect the liver to be...
oily, like a sharks, for buoyancy
less oily than a shark since it lives on the bottom
larger than a sharks, for buoyancy
a stingray doesn't need a liver
The number one problem for skate and ray population health is...
Microplastics
Ocean Acidification
Overfishing
Shark predation
This animal is known to be a major predator of skates and rays
blacktip reef shark
hammerhead shark
whale shark
sawfish
