Question

***Multiple choice questions may have more than one correct answer*** 7. (8 pts) Match the terms on the left to the most appropriate term on the right. Only one answer per blank and all answers are used (true for all matching questions). a) Sirenidae b) Amphiumidae c) Plethodontidae d) Cryptobranchidae e) Salamandridae f) Ambystomatidae g) Proteidae A. Contains the largest living salamanders. B. Newts are in this group. C. Adults have gills, and front legs only D. Have a nasolabial groove E. Frequently paedomorphic, sometimes gynogenetic F. The mudpuppy (Necturus sp.) is in this group G. Four tiny useless legs with 1 to 3 toes, eel-like body 8. (2 pts) You are in Arizona, and you have captured a frog that is either a pelobatid (scaphiopodid) or a bufonid. After an examination and autopsy of the specimen, you decide it is a member of the Bufonidae. What internal and external morphological character states allowed you to tell the difference? (Name as many character states as you can and be sure to be clear about which taxa have which state). 9. (8 pts) Match the terms on the left to the most appropriate term on the right. Only one answer per blank. a) Pipidae b) Myobratrachidae c) Hylidae d) Pseudis paradoxa e) Rhinoderma darwinii f) Dendrobatidae g) Rhacophoridae h) Ranidae A. Most famous for gliding frogs. B. Broods young in vocal sacs. C. The arrow-poison frogs. D. Group that contains the gastric-brooding frog. E. Has a tadpole that is larger than the adult. F. California's red legged frogs are in this group. G. Claw-shaped terminal phalanges and toe pads. 1. Completely aquatic frogs with flattened bodies.
PLEASE HELP WITH ALL PARTS OF THE QUESTIONS & please explain!! thank you so much

Answer 1

7. Sirenidae - Adults have gills,and front legs only.

The sirens are aquatic salamanders.adults have fully developed gills and fore limbs.Lack hind limbs.

   Amphiumidae - Four tiny useless legs with 1 to 3 toes,eel-like body.

These are aquatic salamanders.They have tiny vestigial legs.

   Plethodontidae - Have a nosolabial groove.

These are lungless salamanders.They breathe through their skin and the mucous membrane.

   Cryptobranchidae - Contains the largest living salamanders.

The chinese gaint salamander is one of the largest salamanders.It is belongs to above group.

Salamandridae - Newts are in this group

Newts are semiaquatic.They have rough-textured skin.

Ambystomatidae - Frequently paedomorphic,some times gynogenetic

   Proteidae - The mudpuppy ( necturus sp.) is in this group.

They live an entirely aquatic life.They are in rusty brown color.They are nocturnal creatures.