#17 amphibians

Question 1

what are the orders of Amphibians in Australia

Answer 1

Only Anura (frogs and toads)

Question 2

amphibians are the first vertebrate group to..

Answer 2

exploit the terrestrial environment

Question 3

do frogs have lungs

Answer 3

yes

Question 4

are frogs endothermic or ecothermic

Answer 4

ectothermic

Question 5

what do frogs require water for

Answer 5

most species of frog require water for reproduction and their skin is still permeable so dependent on moist environments

Question 6

how many families in Anura are in Australia?

Answer 6

5

Question 7

what are the 3 families of Anura that are old Gondwanan groups

Answer 7

Limnodynastidae (ground frogs)
Myobatrachidae (southern frogs)
Hylidae (tree frogs)

Question 8

what are the 2 families of frogs that have migrated from Asia and are relatively new groups?

Answer 8

microhylidae (tiny tree frogs)

ranidae (true frogs)

Question 9

how were cane toads introduced?

Answer 9

• they were introduced by europeans

Question 10

can frogs lay eggs on land ?

Answer 10

yes they can

Question 11

why are frog populations decreasing

Answer 11

climate change
fungus 
habitat loss
pollution 
traffic noise
predators

Question 12

are newts , salamanders and caecilians native to australia

Answer 12

No

Newts have been introduced