A Frogs Life Flashcards
(23 cards)
An ectothermic vertebrate that spends part of its life in the water and part on land
- Amphibians
Approximately how many years ago did amphibians appear?
- 360 years
Classifications: (4)
- Kingdom: Animalia
- Phylum: Chordata
- Class: Amphibia
- Order: Anura (frog + toad)
What do family, genus, and species depend on?
- Specific frog/toad type
What are the support and movement mechanisms of the frog? (3)
- Strong muscles and bones
- 2 pairs of legs; same webbed toes
- Short vertebratal column
How many free vertebrate are there?
- 10
How many eye lid membranes are there?
- 3
What are the different eyelid membranes?
- 1 transparent: protection under water
- 2: vary from translucent to opaque
What are the ways of gas exchange? (2)
- Land need lungs; gills don’t work
- Skin is used
What are the protection mechanisms? (2)
- Camouflage
- Poison
What is used for poison storage?
- Paratoid gland
What are most frogs?
- Nocturnal
What is the mechanism for circulation?
- 3 chambered heart
What is required for reproduction?
- They just be in water
Where do many frogs return to for reproduction?
- Their birth place
How does mating occur?
- Males croak to attract a mate (some satellite males/no call)
What do they undergo for reproduction?
- Amplexus
What is the life cycle of the frog? (5)
- Egg; Tadpoles (polliwag); Tadpoles with legs; Froglet (2-4 months old); Adult
How do frogs eat? (2)
- Use tongue to catch prey
- Use teeth to hold prey
What consists of a frogs diet? (3)
- Insects
- Small fish
- Worms
What is the digestion process? (6)
- Mouth; esophagus; stomach; small intestine; large intestine; cloaca
What are other characteristics of amphibians? (2)
- Some hibernate in soil or mud
- 1st to have true tongues
What are the frogs enemies? (4)
- Ducks
- Hedgehogs
- Rats
- Foxes
