3.1 Reproductive system; 4 Conservation; 5 References; 6 Further reading; 7 External links ... Species of the World. [3] The numbers of species cited above follow Frost. Reproductive system
http://en.wikipedia.org/wiki/Amphibian
Their immune system function was then tested by ... to study the effects of endocrine disrupters on amphibi ... Reproductive system. In the United States, the occurrence of the ...
http://www.hc-sc.gc.ca/sr-sr/finance/tsri-irst/proj/persist-org/tsri-46-eng.php
As regards the digestive system of the Amphibia there is little to say, except that the ... The ducts of the reproductive organs communicate with the urinary ducts.
http://chestofbooks.com/animals/Manual-Of-Zoology/Chapter-LVII-Division-I-Ichthyopsid-Class-II-Amphibi.html
Part 7: Amphibian Index of Biotic Integrity (AmphIBI) for ... higher LDI coefficients with a range of 1 (natural system ... little except enough water to allow for their short reproductive ...
http://www.epa.ohio.gov/portals/35/wetlands/Integrated_Wetland_Assessment_Program_Part7_AmphIBI_formatted.pdf
Moreover, many components of the endocrine system are ... pesticides are one causal factor driving amphibi an ... and success, so affected toads likely have reduced reproductive ...
http://ehpnet1.niehs.nih.gov/members/2008/11536/11536.pdf