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23 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Amphibian means:
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"double life"
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Tadpoles: Feeding
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a. filter feeders or herbivores
b. eats constantly c. long coiled intestine filled with food |
3 characteristics
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Tadpoles: Respiration
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gas exchange occurs between both skin and gills
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1 characteristic
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Tadpoles: Internal Transport
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2 chambered heart (atria and ventricle)
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1 characteristic
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Tadpoles: Movement
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swims with a fish-like tail
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1 characteristic
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Frogs: Feeding
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a. carnivores
b. digestive tract changes to a strictly meat-eating design with a much shorter intestine |
2 characteristics
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Frogs: Respiration
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gas exchange occurs in skin and lungs. must keep moist for diffusion to take place through skin
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1 characteristic
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Frogs: Internal Transport
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3-chambered heart with 2 atrium and 1 ventricle
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1 characteristic
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Frogs: Movement
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4 limbs
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1 characteristic
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Frogs: Excretion
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a. kidneys filter waste from blood
b. product of kidneys (urine) travels through the tubes called ureter. can be stored in urinary bladder and exits through cloaca |
2 characteristics
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Three orders of amphibians:
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urodela
anura apoda |
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Urodela, ex:
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a. 4 equal sized legs
b. keeps a tail (exchanges gas through it) c. most develop lungs and some keep their gills EX: newts, salamanders, mud puppies |
3 characteristics
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Anura, ex:
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a. has lungs as adult
b. 1 set of large hind legs c. burrow into moist soil EX: frogs and toads |
3 characteristics
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Apoda, ex:
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a. legless animals; live in water/burrow in moist soil or sediment
b. feed on small invertebrates such as termites c. have fish-like scales in skin EX: caecilians |
3 characteristics
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Same of all 3 categories of amphibians:
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Larvae: fuly aquatic, having gills and tail
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Frog and Toad Adaptations:
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a. powerful back legs to jump far
b. webbed feet for swimming c. sticky tongue to catch insects d. eyes stick out of head; allows them to hide under water, but still lets them see whats going on |
4
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Differences between Toads and Frogs
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TOAD
a. live in moist places b. lays eggs in strings c. coloration FROG a. lives around water b. lays eggs in clumps c. coloration |
3 for each
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Many amphibians have poison glands beneath their outer skin. What is their purpose?
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protection against natural enemies
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What happens to animals during hibernation and how is their energy needs met?
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OCCURS
a. eats no food b. uses little oxygen HOW ENERGY IS MET a. food is stored as fat |
OCCURS: 2
HOW ENERGY IS MET: 1 |
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Benefits of Amphibians:
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a. insect control
b. used in life science studies and medical research c. food for other animals |
3
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What is the transparent membrane that protects the eyes underwater and keeps them moist in air?
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Nictitating Membrane
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What is the purpose of a cloaca in a frog?
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it receives undigested food from the intestine, urine from the kidneys, and eggs or sperm from the reproductive organs. all these materials exit through a single opening.
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Largest frog in the world:
Frogs live on all continents except: |
Goliath frog
Antartica |
BONUS
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