Amphibians Flashcards
What are the differences between frogs and toads?
A. “Frogs” describes a life-form; “toad” describes a specific type of frog that has paratoid glands, dry and “warty” skin.
B. “Frog” describes a specific type of toad that has paratoid glands, dry and “warty” skin; “Toad” describes a life-form.
C. “Frogs” are green and describe a life-form; “toad” describes a specific type of frog that has paratoid glands, dry and “warty” skin.
A. “Frogs” describes a life-form; “toad” describes a specific type of frog that has paratoid glands, dry and “warty” skin.
During our summer rains which of the following occurs?
A. Permanent pools form.
B. Female amphibians call to attract mates.
C. Pairs breed and lay eggs.
D. Metamorphosis from egg to toadlet takes place in two months.
C. Pairs breed and lay eggs.
Introduced amphibian(s) to the Sonoran Desert include the:
A. Bullfrog and Couch’s Spadefoot
B. Couch’s Spadefoot and Western Toad
C. Barred Tiger Salamander and Bullfrog
D. Western Toad and Barred Tiger Salamander
C. Barred Tiger Salamander and Bullfrog
What is the name of sperm packet of male salamanders?
A. Spermatozoon
B. Semen
C. Germ cell
D. Spermatophore
D. Spermatophore
Which of the following is most resistant to desiccation due to their behavior of staying underground?
A. Bullfrog
B. Couch’s spadefoot
C. Leopard frog
D. Western toad
B. Couch’s spadefoot
On frogs, what is the special area of skin called that is highly vascularized and highly absorptive?
A. Seat patch
B. Absorptive patch
C. Belly pad
D. Vascular pad
A. Seat patch
Elliptical pupils are an adaptation for:
A. bright light
B. night vision
C. living under water
D. seeing in color
B. night vision
Most anurans have:
A. external fertilization
B. high parental care
C. scaly skins
D. internal fertilization
A. external fertilization
Amphibians breathe through gills and lungs (at different life stages) but some species breath promarily through their skin.
True or False
True
Amplexus is the mating position in which the male frog grasps the female, then she lays masses of eggs that the male fertilizes in the water.
True or False
True
Secretions from the parotoid glands of the Sonoran Desert Toad can kill a dog.
True or False
True
Sonoran Desert Toads (Colorado River Toads) are the largest native toad in the Western United States.
True or False
True
Check the characteristics that amphibians (frogs, toads and salamanders) have in common.
___ Moist and scaleless skin.
___ Diet of small living creatures, primarily invertebrates.
___ Endothermic (warm blooded)
___ Usually dependent on water for some part of their reproductive cycle.
__X_ Moist and scaleless skin.
__X_ Diet of small living creatures, primarily invertebrates.
___ Endothermic (warm blooded)
_X__ Usually dependent on water for some part of their reproductive cycle.
Tadpoles and froglets have a variety of predators. Check all.
___ Predacious diving beetle larva
___ Dragonfly larvae
___ Bullfrogs
___ Giant water bugs
_X__ Predacious diving beetle larva
__X_ Dragonfly larvae
__X_ Bullfrogs
_X__ Giant water bugs
Check the possible causes of amphibian declines worldwide.
___ Acid rain
___ Excess UV light
___ Heavy metals
___ Disease
_X__ Acid rain
_X__ Excess UV light
_X__ Heavy metals
_X__ Disease
