100+ Water scorpions PowerPoint (PPT) Presentations, Water scorpions PPTs

Water scorpions - PowerPoint PPT Presentation

History of life on earth

History of life on earth. hadean. cenozoic. archaean. paleozoic. mesozoic. proterozoic. Millions of years ago. Precambrian Archaean Proterozoic Phaenerozoic Paleozoic Cambrian Ordovician Silurian Devonian Carboniferous Permian Mesozoic Triassic Jurassic

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898 views • 43 slides

Respiratory Adaptations of Aquatic Insects in Wetlands

Respiratory Adaptations of Aquatic Insects in Wetlands. Christine L. Goforth Graduate Student, Entomology Fall 2002. Introduction. Insects first evolved on land with a terrestrial respiratory system

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1.83k views • 14 slides

AQUATIC MACROINVERTEBRATES

AQUATIC MACROINVERTEBRATES. One of the best ways to determine the quality of the water in a lake, river, or stream, is to identify the organisms that live in it. Macro= visible to the naked eye. Invertebrate= without a backbone.

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246 views • 11 slides

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Water scorpions - PowerPoint PPT Presentation

History of life on earth

Respiratory Adaptations of Aquatic Insects in Wetlands

AQUATIC MACROINVERTEBRATES