WIS2040 Topic 09

Icthyostega fossils are known from what is now _____

The now extinct gastric-brooding frog was known only from _____

Chirping frogs were first seen in Hawaii in the _____

_____ of the following is an example of a paedogenetic group of amphibian species

External fertilization is characteristic of the _____

The fossil amphibians and the lobe-finned fishes are linked by similarities in the _____

Sexual coupling in species that have external fertilization is called _____

The formation of a communal foam nest is seen in certain tree frogs in _____

The presence of _____ is a juvenile characteristic retained by some paedogenetic species

There were _____ recognizable evolutionary lines of fossil amphibians

The fossil lineages of the amphibians are recognizable on the basis of the structure of the _____

Both the frogs and the salamanders produce _____ eggs

_____ is a characteristic shared by the amphibians and certain lobe-finned fishes

In Darwin's frog in Chile, the young frogs develop in _____

_____ has not been suggested as a cause of deformities in frogs

_____ refers to the facultative or environmentally determined form of paedomorphosis

The genus Eleutherodactylus a genus of chirping frogs has _____ species scattered over the West Indies.

The _____ is the sole surviving member of the lobe-finned fishes

In addition to being toxic bufotenine is also an _____

There are roughly _____ times as many frogs and toads as there are salamanders.

Paedomorphosis is a characteristic of certain _____

The Golden Toad which has recently decline precipitously is native to _____

_____ are primitive salamanders that have external gills, and front legs but no hind legs

When _____ aestivate they produce a mucous cocoon like the African lungfish.

Respiration occurs across a pharyngeal membrane in the _____

The Hedonic glands play an active role in _____

A species of lobe finned fish still occurs in _____

_____ are structures produced by male salamanders for reproductive purposes

Toads secrete a poison from the _____ glands on their heads

Deformed frogs were first seen in _____ in the 1990s

The so-called poison arrow frogs are native to _____

External fertilization is seen in _____ salamanders

Caecilians are characterized by having _____

Chirping frogs were introduced to Hawaii from _____