OBOJŽIVELNÍCI

Amphibians breathe with:
1. gill
2. lungs
3. lungs, tadpoles with gill
Amphibians also use for breathing
1. skin
2. gas bladder
3. pneumatocysts
Digestive system is ended by:
1. cloaca
2. appendix
3. rectum
Which is the way of reproduction by Caudata?
1. internal fertilization
2. external fertilization
3. asexual reproduction
Amplexus by frogs is:
1. internal reproduction
2. the male tacks on the back of the female
3. external reproduction
Legs by frog tadpoles develop:
1. front legs first
2. hind legs first
3. both legs simultaneously
Comb-like gill is to be found by:
1. frog tadpoles
2. newt tadpoles
3. adults
Skin of amphibians contains
1. mucous glands
2. sebaceous glands
3. mucous and poisonous glands
Dumpy body and verrucous skin are typical for:
1. toads
2. fire-bellied toads
3. common frogs
Frogs living typically in branches are:
1. tree frogs
2. toads
3. common frogs