Questions 1
Are frogs amphibians or reptiles?
Amphibians.
TRUE or FALSE
A frog's heart has 2 chambers.
False: 3 hearts
Where does the digestion take place in a frog?
The esophagus.
Receives waste, eggs or sperm is called?
Cloaca
TRUE or FALSE
Pectoral fins are located
FALSE
Located at the sides near the gills.
Do amphibian eggs have shells? If so, what would they do.
They would protect them from drying out.
TRUE or FALSE
Does the right atrium receive deoxygenated blood from a frog body.
True
What is a tetrapod?
A tetrapod is a four-legged vertebrate.
Ectotherms
Animals that contain their body heat from the external environment.
What is the meaning of diversity?
To produce variety.
What is one thing in common that a bullfrog and a toad have in common?
Both frogs have long sticky tongues that they flick out to catch flying prey.
TRUE or FALSE
Caecilians are not different from other amphibians.
False, Caecilians are different from amphibians because they're legless and wormlike.
What is one difference between a Bullfrog and an American toad.
Bullfrog: Moist smooth skin.
American Toad: Bumpy and dry skin.
Transparent eyelid that can move across the eye to protect it underwater and keep it from drying out.
Nictitating membrane.
Do toads release a foul-tasting poison?
No, Bullfrogs release foul-tasting poison.
Are caecilians not different from amphibians?
Caecilians are different from other amphibians because their legless and wormlike.
TRUE or FALSE
Frogs have bumpy and dry skin while toads have moist smooth skin.
FALSE
Frogs have moist and smooth skin, while toads have dry and bumpy skin.
What is the scientific name for an eardrum on a frog?
Tympanic membrane
Group of cells that develop from the nerve cord.
Neural crest
2 Characteristic of an American Toad.
1. Live further away from water than frogs
2. Dry and bumpy skin
How many stages does a frog have?
4 stages. (Egg, Tadpole, Froglet, and Adult).
TRUE or False
Most salamanders have four legs, thick moist skin, and they can live very far from water.
FALSE
Thin skin, and they can't live far from water.
What's the adult salamander's diet?
Their diet is eating worms, frog eggs, and other invertebrates.
Metamorphosis
Developmental changes in the form or structure of an organism.
3 Characteristics of a Bullfrog.
1. Longer and powerful legs
2. Moist smooth skin.
3. Kidney-bean-shaped glands near the back of their heads.