'Male fish' diaporamas de présentation

SEXUAL REPRODUCTION AND DEVELOPMENT

SEXUAL REPRODUCTION. SEXUAL REPRODUCTION AND DEVELOPMENT. SEXUAL REPRODUCTION. Sexual reproduction requires two different parent cells from two separate organisms or from two sexually different parts of a single organism.

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Biomarkers Indicators (measures) of exposure to a chemical or class of chemicals

Biomarkers Indicators (measures) of exposure to a chemical or class of chemicals Not generally indicators of effects

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Biomarkers

Aquatic Systems & Environmental Health. Biomarkers. David Barber barberd@ufl.edu 294-4636. Challenge with ecotoxicology. Important issue is population stability Identify causative agent(s) in a complex mixture of agents when inputs of the causative agent may be sporadic.

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Results generated by several Water Research Commission studies

Hormone and hormone mimicking activity in sewage effluent, surface water and treated drinking water Laetitia Slabbert. Results generated by several Water Research Commission studies Various institutions participated in the studies:

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IMPACTS OF ENDOCRINE DISRUPTER CHEMICALS ON AQUATIC ORGANISMS AND HUMAN HEALTH

IMPACTS OF ENDOCRINE DISRUPTER CHEMICALS ON AQUATIC ORGANISMS AND HUMAN HEALTH. Dr. Fran Solomon fsolomon@interchange.ubc.ca February 3, 2009. TOPICS TO BE COVERED. What are endocrine disrupter chemicals (EDCs) and how do they act? Properties and sources of EDCs Exposure pathways

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Endocrine Disruptors in the aquatic environment from non-wastewater sources

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Excretory & Reproductive Anatomy

Excretory & Reproductive Anatomy. Excretory & Reproductive - Close anatomical ties. Typical vertebrate arrangement Excretory and reproductive anatomy closely tied May share common ductwork in some individuals. Excretory/Reproductive Systems. General locations. Kidneys.

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Understanding Natural Animal Reproduction

Understanding Natural Animal Reproduction. Next Generation Science/Common Core Standards Addressed!. HS-LS1-4. Use a model to illustrate the role of cellular division (mitosis) and differentiation in producing and maintaining complex organisms.

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Use of fresh bull and hog testis in sex reversal of Nile tilapia fry

Use of fresh bull and hog testis in sex reversal of Nile tilapia fry. Daniel Meyer, Marco Guevara Willie Chan and Claudio Castillo. Funding for this research was provided by the Aquaculture Collaborative Research Support Program.

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Evidence of endocrine disruption of common carp at Willow Beach: Do we have an answer?

Evidence of endocrine disruption of common carp at Willow Beach: Do we have an answer?.

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Evidence of endocrine disruption of common carp at Willow Beach: Do we have an answer?

Evidence of endocrine disruption of common carp at Willow Beach: Do we have an answer?.

247 views • 19 slides

Bellwork

Bellwork. Solve for x. 14. Composition/Decomposition Activity. Section 11.2. Bellwork. 2x o. A male punky fish has 9 stripes, while a female punky fish has 8 stripes. If the number of stripes on all the punky fish in a tank totals 86, what is the ratio of male fish to female fish?

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Chapter 7 Experiments with One Independent Variable

Chapter 7 Experiments with One Independent Variable. Determining Variables of Interest. There are many ways to create and manipulate variables The current nature of society often dictates what variables are studied and how they are measured

283 views • 17 slides

Chapter 7 Experiments with One Independent Variable

Chapter 7 Experiments with One Independent Variable. Determining Variables of Interest. There are many ways to create and manipulate variables The current nature of society often dictates what variables are studied and how they are measured

302 views • 17 slides

DOMESTICATION, GENERATION AND DEVELOPMENT OF GIANT BARB ( Catlocarpio siamensis BOULENLER 1898)

DOMESTICATION, GENERATION AND DEVELOPMENT OF GIANT BARB ( Catlocarpio siamensis BOULENLER 1898). INTRODUCTION. - Belonged to common carp family of Cyprinidae , distributed in the Mekong river. The fish is of big size, with flesh of good taste preferred by many people.

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differnet ways of sex determination in fishes

PRODUCT PLANNING. differnet ways of sex determination in fishes. 1711405 ??. PRODUCT PLANNING.

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Siamese Fighting Fish

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