'Larval characteristics' presentation slideshows

Chapter 9

Chapter 9. Collection, Preservation, and Identification of Fish Eggs and Larvae. 9.1 Introduction You will learn. Methods of collecting, processing and identifying Marine and freshwater studies Gears used to collect eggs and larvae

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Chapter 45

Chapter 45. Chemical Signals in Animals. Hormones. Hormones are chemical signals. The endocrine system consists of: Endocrine cells which are hormone-secreting cells and Endocrine glands which are hormone-secreting organs. Specific target cells respond to specific hormones.

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Amphibians : The First Terrestrial Vertebrates

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