1.Chapter 18 Lecture Outline Water Pollution2. Outline Types and Effects of Water Pollution Point vs. Non-Point Sources Water Quality Today Surface Water Groundwater Ocean…

1.Poison Dart Frog By: Adriana Espinoza2. Description Common Name:Poison Dart Frog Scientific Name:Denodrobatidae Status: Endangered due to habitat loss. The poison dart…

1. Amphibians 2. The word amphibian means two- lives. Amphibians spend their lives in the water and on land. 3. There are about 6,000 known species of frogs, toads, salamanders,…

Environmental Humanities 1 (2012) 23-55 www.environmentalhumanities.org ISSN: 2201-1919 ! Copyright: © Kirksey 2012 This is an open access article distributed under the…

Slide 1Metamorphosis Mrs. Angel Click on the arrow or picture to see what the next stages are. Slide 2 Frogs come from tadpoles but first they must survive being hatched…

Slide 1 Frog Dissection Slide 2 The mouth, nostrils, and eyes 1. Nictictating membrane- Protects eyes (similar to an eyelid) 2.Tympanic membrane – the ear drum -Collects…

Slide 1 Chapter 40 Amphibians Section 3 Reproduction in Amphibians Slide 2 Reproduction Compare and contrast terrestrial vs. aquatic reproduction. Slide 3 Courtship &…

Slide 1 Chapter 3 Section 3 Slide 2 Amphibians Amphibian: Amphibian: –Ectothermic vertebrate that spends its early life in water Amphibians spend their adulthood on land…

Slide 1 A Small Dose of EDCs – 06/01/09 An Introduction To The Health Effects of Endocrine Disrupting Chemicals (EDCs) A Small Dose of EDC Slide 2 A Small Dose of ToxicologyA…

Slide 1 Look at this bullfrog croaking! Slide 2 Most male frogs and toads puff up their throats when they make a sound. Not all frogs and toads make the same sound. Slide…