2024 Herpetology Homework

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1. 

Texas is home to __________ native and exotic species of amphibians and reptiles. This is a larger number of species than any other state, due to the state’s large size and geographic complexity.

2. 

The regional or local diversity of amphibians and reptiles are referred to as __________.

3. 

There are __________ species of amphibians and __________ species of reptiles in Texas.

4. 

Both reptiles and amphibians possess __________, a specialized olfactory organ in the roof of the mouth.

5. 

This sensory organ (from question #4) is most highly developed in __________ and some lizards, which flick their tongues to obtain samples from the air and ground.

6. 

Both reptiles and amphibians have a common opening to the digestive, urinary and reproductive tracts called the __________.

7. 

All herps are __________, meaning that their temperature regulation depends on the environment, not metabolism. The common term for this characteristic is “cold-blooded.”

8. 

For the class Amphibia, which two types of animals found in Texas are part of the order Caudata?

9. 

For the class Amphibia, which two types of animals found in Texas are part of the order Anura?

10. 

For the class Reptilia, which two Texas animals are part of the order Testudinata?

11. 

For the class Reptilia, which two Texas animals are part of the order Squamata?

12. 

For the class Reptilia, which two Texas animals are part of the order Crocodylia?

13. 

The common evolutionary ancestor of mammals, birds, reptiles and amphibians were the __________.

14. 

There are more than __________ known species of amphibians.

15. 

A common feature of amphibians is the __________ reproductive cycle.

16. 

Some amphibians can exchange __________ entirely through the skin, and can also absorb water through the skin.

17. 

When water in desert pools completely dries up, some amphibians can ________ for more than a year, waiting for water to return.

18. 

Which of the following is NOT one of the ways reptiles can reproduce:

19. 

Which of the following are causes of the loss of biodiversity among amphibians and reptiles (choose all that apply):

20. 

Which of the following are causes of amphibian population decline (choose all that apply):

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