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Marine Bio Batoids Review

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Batoids, as a group, includes

a)

sharks

b)

rays

c)

skates and rays

d)

sharks, skates, and rays

2.

Elasmobranchs, as a group, include...

a)

sharks

b)

skates and rays and sharks

c)

skates and rays

d)

sharks, skates, rays, and ratfish

3.

Has 2 small dorsal fins on a stubby tail

a)

skates

b)

rays

c)

both skates and rays

d)

neither skates and rays

4.

Has a barb on its long, skinny tail

a)

skate

b)

stingray

c)

manta ray

d)

both skates and rays

5.

The males have claspers

a)

sharks

b)

skates

c)

rays

d)

all 3

6.

This (these) animals have internal fertilization during reproduction

a)

sharks

b)

skates

c)

rays

d)

all 3

7.

Pup development inside the mother but attached to a yolk

a)

oviparous

b)

viviparous

c)

ovoviviparous

d)

placental viviparity

8.

This animal has ONLY oviparous development

a)

sharks

b)

skates

c)

stingrays

d)

manta rays

9.

This animal has ONLY ovoviviparous development

a)

sharks

b)

skates

c)

rays

d)

ratfish

10.

This animal has all 3 types of development

a)

sharks

b)

skates

c)

rays

d)

ratfish

11.

This animal feeds with bony plates

a)

sharks

b)

stingrays

c)

manta rays

d)

devil rays

12.

This animal filter feeds on plankton

a)

hammerhead shark

b)

sawfish

c)

stingray

d)

manta ray

13.

This is the largest skate

a)

big skate

b)

common skate

c)

thorny skate

d)

barn door skate

14.

This skate is found in Puget Sound

a)

common skate

b)

barn door skate

c)

big skate

d)

thorny skate

15.

This animal looks like a shark except for the location of its gills and its long snout with barbs

a)

ratfish

b)

sawfish

c)

big skate

d)

manta ray

16.

This animal is likely found closer to the surface

a)

sting ray

b)

manta ray

c)

big skate

d)

sawfish

17.

This animal has a cartilaginous skeleton

a)

rafish

b)

sawfish

c)

stingray

d)

all 3

18.

The Ampullae of Lorenzini detect

a)

water pressure / vibrations

b)

sound

c)

electromagnetic fields

d)

smell

19.

Skates and rays have Ampullae of Lorenzini

a)

True

b)

False

20.

Skates and rays do NOT have a lateral line

a)

true

b)

false

21.

The gill slits of skates and rays are on the...

a)

ventral surface

b)

dorsal surface

c)

sides of the animal

d)

they do not have gill slits

22.

How many gill slits do skates and rays have?

a)

1 each side

b)

3-4 each side

c)

5-7 each side

d)

8-10 each side

23.

The total number of gills slits of most stingrays is...

a)

1

b)

2

c)

5

d)

10

24.

Which body parts are on the DORSAL surface of skates and rays?

a)

Eyes and nostrils

b)

Gill slits and mouth

c)

Eyes and spiracles

d)

Mouth and Spiracles

25.

Which body parts are on the VENTRAL surface of skates and rays?

a)

Eyes and spiracles

b)

Spiracles and nostrils

c)

Mouth and spriacles

d)

Mouth and gill slits

26.

The spiracles help a stingray...

a)

float

b)

digest food

c)

detect prey

d)

breathe

27.

What travels through the gel inside an Ampullae of Lorenzini?

a)

water

b)

electrical current

c)

blood

d)

smells

28.

If you dissected a stingray, would you expect the liver to be...

a)

oily, like a sharks, for buoyancy

b)

less oily than a shark since it lives on the bottom

c)

larger than a sharks, for buoyancy

d)

a stingray doesn't need a liver

29.

The number one problem for skate and ray population health is...

a)

Microplastics

b)

Ocean Acidification

c)

Overfishing

d)

Shark predation

30.

This animal is known to be a major predator of skates and rays

a)

blacktip reef shark

b)

hammerhead shark

c)

whale shark

d)

sawfish