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HSE Zoology
Amphibians
106
Other
10th Grade
11/29/2010

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Term
Amphibia means
Definition
double life
Term
All amphibians undergo what process?
Definition
metamorphosis
Term
Are young amphibians herbivores or carnivores?
Definition
herbivores
Term
A young amphibian has a heart with this many chambers.
Definition
2
Term
Young amphibians are _____ like.
Definition
Fish
Term
Are adult amphibians herbivores or carnivores?
Definition
carnivores
Term
Where do most young amphibians live in water or on land?
Definition
water
Term
An adult amphibian has a heart with this many chambers.
Definition
3
Term
Are amphibians warm blooded or cold blooded?
Definition
cold blooded
Term
exothermic (poikilothermic) means
Definition
cold blooded
Term
Describe an amphibians skin.
Definition
smooth and moist
Term
Describe an amphibians feet.
Definition
Webbed feet without claws (most)
Term
Example of amphibian order Gymnophiona (aka: Apoda)
Definition
Caecilians
Term
Example of amphibian order Urodela(aka: Caudata)
Definition
Salamanders and newts
Term
Salamanders belong to what order?
Definition
Urodela(aka: Caudata)
Term
Caecilians belong to what order?
Definition
Gymnophiona (aka: Apoda)
Term
Example of amphibian order Salientia(aka: Anura)
Definition
Frogs and Toads
Term
Frogs and Toads belong to what order?
Definition
Salientia(aka: Anura)
Term
Order Apoda are found in what climate?
Definition
Tropic
Term
Order Apoda look like large _____
Definition
worms
Term
What type of eyes do order Apoda have?
Definition
Small or they are blind.
Term
Order Apoda hearing is not good, they rely on ________ located between the eyes and nostrils.
Definition
tentacles
Term
Order Apoda have an excellent sense of ________
Definition
smell
Term
Where do order Apoda live?
Definition
in burrows
Term
Oviparous
Definition
egg laying
Term
Order Apoda are ovipourus, true or false?
Definition
True
Term
Order Apoda lay eggs where?
Definition
In puddles.
Term
Describe the body of order Caudata.
Definition
Long slender body with tail
Term
Aposematic coloration means?
Definition
Warning coloration
Term
Salamanders and newts can not hear, instead they do what?
Definition
They sense vibration on the ground
Term
Salamanders and newts are found in what climate?
Definition
Temperate climates, tropics of Central and South America
Term
Salamanders and newts are often confused with what type of animals?
Definition
Lizards
Term
How do Salamanders and newts differ from lizards?
Definition
they undergo metamorphosis, have no scales, no claws, and four toes on foot
Term
Salamander means?
Definition
fire animal (crawled out of wood brought into house and stacked near fire)
Term
The Axoltol differs from a normal salamander how?
Definition
Does not undergo metamorphosis. when mature, it still has some larval characteristics such as gills.
Term
A juvenile newt is called a _______
Definition
Eft
Term
An eft uses what for respiration?
Definition
It's skin.
Term
Newts and efts are poisonous, true or false?
Definition
False. Some red efts are poisonous but loose there poison skin when they become adults.
Term
What color eft can be poisonous?
Definition
Red.
Term
Why are newts easier to hold than salamanders?
Definition
because their skin is rougher and less moist
Term
is salamander and newt fertilization is internal or external?
Definition
Internal
Term
The male of salamanders and newts deposits packets of sperm and the female body picks it up in her ________
Definition
cloaca
Term
Where salamanders and newtslay their eggs?
Definition
In water
Term
Why are salamander and newt eggs covered by a jelly like material?
Definition
to prevent them from drying out
Term
Land salamanders bypass the larval stage, this is called?
Definition
direct development. The larval stage occurs in the egg and the salamander hatches as a small version of an adult
Term
The amphibian order with the most species is?
Definition
Anura
Term
Paedomorphosis
Definition
may retain larval form (gills) when sexually mature
Term
Where do order Anura live?
Definition
Found in most habitats except polar and subarctic zones
Term
Do toads have dry or wet skin?
Definition
dry
Term
Do frogs have dry or wet skin?
Definition
wet
Term
Toads are nocturnal, true or false?
Definition
true
Term
Toads have this kind of gland in their skin.
Definition
Poison (not effective on snakes)
Term
Toads have several teeth, true or false.
Definition
False, toads have no teeth
Term
Tadpole
Definition
baby toad, also called a polliwog
Term
Frogs hibernate, true or false.
Definition
true
Term
When frogs hibernate, how do they breath?
Definition
Through their skin
Term
Estivation
Definition
during high heat, toads bury themselves in mud or deep water
Term
The largest toad, the west african toad, eats what?
Definition
rats
Term
The largest american frog
Definition
bullfrog
Term
Describe the skin of toads and frogs.
Definition
Thin, smooth, moist (frog). Used in respiration.
Term
chromatophores
Definition
Pigment cells in toads and frogs skin.
Term
How many types of pigment cells do toads and frogs have?
Definition
3
Term
What does the skin of toads and frogs have to prevent dryness?
Definition
mucus glands
Term
What kind of receptors does the skin of toads and frogs have?
Definition
chemical and tactile
Term
External Nares
Definition
Nostrils. Thers is an olfactory membrane lining in nasal cavity in toads and frogs.
Term
The external eardrum in toads and frogs is called what?
Definition
Tympanum, transmits vibrations.
Term
Eustachian tube
Definition
Connects pharynx to middle ear in toads and frogs.
Term
True or false, toads and frogs see in black an white?
Definition
False, they see in color.
Term
What is the dominate sense in toads and frogs?
Definition
Vision
Term
Do toads and frogs have taste buds?
Definition
yes
Term
What is a nictitating membrane?
Definition
Protective covering over eye for underwater vision (frogs).
Term
Frogs and toads have 3 kind of vertebrae, what are they?
Definition
Cervical – neck.
Sacral – help support hind legs.
Urostyle – fused coccyx (triangular bone at the bas of the spinal column “tailbone”)
Term
Pectoral girdle
Definition
Frogs and toads, front legs, breast bone, collar bone, shoulder blades
Term
Pelvic girdle
Definition
Frogs and toads, hip bones (fused), hind legs
Term
The olfactory part of the forebrain of frogs and toads is used for what?
Definition
sense of smell
Term
The optic lobes part of the midbrain of frogs and toads is used for what?
Definition
vision and complex activities
Term
The cerebellum part of the hindbrain of frogs and toads is used for what?
Definition
equilibrium and balance
Term
The medulla oblongata part of the hindbrain of frogs and toads is used for what?
Definition
auditory reflexes, respiratory, swallowing, vasomotor control (nerves and muscles that cause the blood vessels to constrict or dilate)
Term
Are frogs and toads herbivores or carnivores?
Definition
Carivores.
Term
Do frogs and toads chew their food?
Definition
No, they swallow it whole.
Term
Order Anura have teeth where?
Definition
Teeth in upper jaw only
Vomerine = 2 large teeth
Maxillary = small, on rim of upper jaw
Term
Gullet
Definition
opening to esophagus
Term
Pylorus
Definition
valve between stomach and intestine to prevent early passage of food out of stomach in frogs and toads
Term
Duodenum
Definition
(frogs and toads) Part of the small intestine, pancreas and bile secrete into this
Term
Ileum
Definition
(frogs and toads) coiled portion of the small intestine
Term
Colon
Definition
(frogs and toads) (large intestine) stores undigested food, absorbs water
Term
Cloaca
Definition
(frogs and toads) bottom portion of colon, receives reproductive products, kidney products, can take in water to absorb from environment.
Term
Liver
Definition
stores sugar in the form of glycogen; produces bile which is stored in the gall bladder
Term
Pancreas
Definition
(frogs and toads) makes digestive enzymes
Term
Kidney
Definition
(frogs and toads) excrete nitrogenous waste; maintain salt and water balance
Term
How do frogs and toads get rid of carbon dioxide
Definition
excreted through skin
Term
In frogs and toads, where is urine stored?
Definition
urinary bladder
Term
What are the 3 wyas frogs and toads obtain oxygen?
Definition
Skin (cutaneous breathing) – at rest
Mouth (buccal breathing) – when active
Lungs (pulmonary breathing) – when active
Term
glottis
Definition
(frogs and toads) opening to trachea
Term
What does the male frog or toad use their vocal chords for?
Definition
to attract females
Term
Where are the vocal chords located in frogs and toads?
Definition
in the larynx
Term
What is the pathway of air in frogs and toads.
Definition
Nares, pharynx, glottis (opening to trachea), trachea, bronchi, alveoli (air sacs)
Term
How many chambers are in the heart of frogs and toads?
Definition
3 - 2 atria,1 ventricle
Term
What are the parts of the female reproductive system in frogs and toads?
Definition
Ovary, coiled oviduct (transport egg from ovary to cloaca), Ovisac – thin walled sac that stores eggs, Eggs have a jelly-like coating and leave body through cloaca
Term
What are the parts of the male reproductive system in frogs and toads?
Definition
Oval testes on anterior ventral side of kidney. Sperm ducts – attach testes to kidney
Term
Is fertilization in frogs and toads internal or external?
Definition
External. Male clamps onto females body from behind with forearms (called amplexus). Male releases sperm as female releases eggs
Term
What family of order Anura do most common frogs belong to?
Definition
Ranidae
Term
What family of order Anura do most frogs belong to?
Definition
Hylidae
Term
What family of order Anura do true toads belong to?
Definition
Bufonidae
Term
Vomerine
Definition
2 large teeth in the roof of a frogs mouth that are used to capture and hold prey.
Term
Maxillary
Definition
Small teeth on the rim of upper jaw of a frog that function in chewing, grinding, and crushing prey
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