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1. What are the characteristics of amphibians?

Living half of their life in water and land. they are vertabrates.

2. Name the two main orders of amphibia and tell how to distinguish between them.

   Frogs and Toads                                         Nuets and Salomanders
                              
   Anura no tails                                                    Cautta
    Gymnophiona                                                    Muddpuppies
                                                                caecillians no limbs

3. Distinguish between toads and frogs.

Toads have wortsand fatter,have short legs, dry,and hops. Frogs are stream lined leg,leaps,lay clumps of eggs.

4. How do amphibians protect themselves?

Toads have milky white paratids that are poisinious when a predator trys to eat it. Frogs and salamandors blends in with there surroundings.

5. Make a list of amphibians that should be found in your locality. Identify five and tell where you found them. OR Collect pictures or sketch five different amphibians which you can identify and tell where they are found.

The gray tree frog, spring peepers, wood frogs, marsupial frogs ,and leopard frog are all found in New york.

6. Describe the life history of some amphibian.

7. Explain the economic value of amphibians.

Amphibians are insect eaters, so they are very valuable for controlling mosquito populations. They are also the preferred dinner for several mammal, bird, fish, and reptile species.

Amphibians are valuable for medical research. They are raised and sold to research institutions.

The larvae of newts and salamanders are sold as fish bait.

Amphibians are closely monitored by ecologists, because they are among the first animals affected by environmental problems such as pollution and the destruction of the ozonelayer.

8. Where do toads spend the winter or dry season?

9. Identify two species of frogs by their sound or imitate the sounds of two different species of frogs.

10. How do frogs and toads sing? What makes the noise so loud?

11. Do one of the following:

a. Observe a toad in your yard or neighborhood to find out.

(1) Where and when it sleeps,

(2) When it leaves its home for food,

(3) How fast it can travel,

(4) How far it can jump, and as many other interesting things as you can find out about it, and write an essay covering the details requested in the first section of this question.

b. Hatch some amphibian eggs and watch them through their growth cycle and write an essay covering the details.

References

http://www.wnrmag.com/stories/1996/apr96/frog.htm