Last edited by Yozshujind
Saturday, August 1, 2020 | History

2 edition of Effect of some environmental factors on differentiation and determination in marine hydrozoa found in the catalog.

Effect of some environmental factors on differentiation and determination in marine hydrozoa

Bernhard Werner

Effect of some environmental factors on differentiation and determination in marine hydrozoa

with a note on their evolutionary significance

by Bernhard Werner

  • 50 Want to read
  • 32 Currently reading

Published by New York Academy of Sciences in New York .
Written in English

    Subjects:
  • Hydrozoa.

  • Edition Notes

    Includes bibliographical references (p. 487-488).

    Statementby Bernhard Werner.
    SeriesNew York Academy of Sciences. Annals -- v. 105, art. 8
    The Physical Object
    Paginationp. [461]-488 :
    Number of Pages488
    ID Numbers
    Open LibraryOL18481608M

      Osmolarity. Cells are subject to changes in osmotic pressure, due to the fact that the plasma membrane is freely permeable to water (a process known as passive diffusion).Water will generally move in the direction necessary to try and equilibrate the cell’s solute concentration to the solute concentration of the surrounding environment. If the solute concentration of the environment . Environmental factors can play a major part in a company's marketing nmental factors can include social, ecological, political, cultural, technological, and ethical issues. PepsiCo can face all these issues because they are a global company. Many of these issues can affect PepsiCo's marketing plan even in different areas of the United States.

    humans affect the water resources of virtually all landscapes, some of the most relevant structures and features related to human activities are super-imposed on various parts of the conceptual land-scape (Figure 25). The effects of human activities on the quan-tity and quality of water resources are felt over a wide range of space and time scales. Hydrozoa are a class of invertebrates within the phylum Cnidaria. Hydrozoa are carnivorous, feeding mostly on small crustaceans, fish eggs and larva. Cnidaria are characterized by a life cycle that includes the presence of planula larva, defined as “a free-swimming cylindrical larva bearing numerous cilia” by The Encyclopedia Britannica.

    Chapter 55 - Environmental Pollution Control ENVIRONMENTAL POLLUTION CONTROL AND PREVENTION. Jerry Spiegel and Lucien Y. Maystre. Over the course of the twentieth century, growing recognition of the environmental and public health impacts associated with anthropogenic activities (discussed in the chapter Environmental Health Hazards) has prompted the development and . ENVIRONMENTAL FACTORS. A water supply is the product of its environment. The gases carbon dioxide and oxygen enter the water from the atmosphere. The carbon dioxide can unite with water to form carbonic acid. In vegetated areas, oxygen in water is consumed and carbon dioxide increased through decay of vegetation.


Share this book
You might also like
How to prepare essays, lectures, articles, books, speeches and letters, with hints on writing for the press.

How to prepare essays, lectures, articles, books, speeches and letters, with hints on writing for the press.

Writing the natural way

Writing the natural way

Fundamental accounting principles.

Fundamental accounting principles.

Salaries of certain officials in the Bureau of Animal Industry. Letter from the Acting Secretary of the Treasury, transmitting a copy of a communication from the Secretary of Agriculture submitting certain changes in estimates affecting the salaries of certain officials in the Bureau of Animal Industry.

Salaries of certain officials in the Bureau of Animal Industry. Letter from the Acting Secretary of the Treasury, transmitting a copy of a communication from the Secretary of Agriculture submitting certain changes in estimates affecting the salaries of certain officials in the Bureau of Animal Industry.

Strange beginning.

Strange beginning.

Reclaiming paradise

Reclaiming paradise

case of Gresham college, relating to the lectures there

case of Gresham college, relating to the lectures there

Hydrogeology and ground-water quality of Valley Forge National Historical Park, Montgomery County, Pennsylvania

Hydrogeology and ground-water quality of Valley Forge National Historical Park, Montgomery County, Pennsylvania

Bloomsbury

Bloomsbury

What shall I read?

What shall I read?

A living testimony from the power and spirit of our Lord Jesus Christ in our faithful womens meeting and Christian Socity [sic]

A living testimony from the power and spirit of our Lord Jesus Christ in our faithful womens meeting and Christian Socity [sic]

The South-Carolina almanack and register, for the year of our Lord 1762

The South-Carolina almanack and register, for the year of our Lord 1762

Daumier nel suo tempo

Daumier nel suo tempo

Effect of some environmental factors on differentiation and determination in marine hydrozoa by Bernhard Werner Download PDF EPUB FB2

Effect of some environmental factors on differentiation and determination in marine hydrozoa, with a note on their evolutionary significance Bemhard Werner Cited by: Click on the title to browse this issue. Add tags for "Effect of some environmental factors on differentiation and determination in marine hydrozoa: with a note on their evolutionary significance".

Be the first. Similar Items. ann n y acad sci. sep 20; effect of some environmental factors on differentiation and determination in marine hydrozoa, with a note on their evolutionary by:   Effect of Some Environmental Factors on Differentiation and Determination in Marine Hydrozoa, with a Note on Their Evolutionary Significance Werner, Bemhard; Abstract.

Publication: Annals of the New York Academy of Sciences. Pub Date: September DOI: /jtbx Cited by: Effect of some environmental factors on differentiation and determination in marine Hydrozoa, with a October Annals of the New York Academy of Sciences Bemhard Werner.

Effect of marine environmental factors on CO 2 hydrate equilibrium was investigated. • CO 2 hydrate equilibrium condition was measured with real marine sediments samples. • Ulleung basin (UB) can be considered as proper site for long-term stable CO 2 storage.

• The results can be applied to bring offshore CO 2 storage in marine sediments. Aspects of the biology and life-history of Nemertesia antennina (L.) (Hydrozoa: Plumulariidae) - Volume 57 Issue 3 - R. Hughes. Werner B () Effect of some environmental factors on differentiation and determination in marine Hydrozoa, with a note on their evolutionary significance.

Ann N. Werner, B.: Effect of some environmental factors in differentiation and determination in marine Hydrozoa, with a note on their evolutionary significance. Ann. N.Y. Acad. Sci.– () Google Scholar; Download references. Examples of Environmental Factors Affecting Business. Environmental Policies.

Environmental policies are considered the major external factor that can impact the strategy of a nmental policy is the commitment of a business to the regulations, laws as well as other policy mechanisms that are concerned with environmental issues.

Anders Pape Møller, in Advances in the Study of Behavior, B. Environmental Causes of Developmental Instability.

Environmental factors include temperature, food, pollutants, population density, sound, light, and parasites. The diversity of environmental stresses that have been shown to cause an increase in asymmetry is probably not exclusive; many other kinds of stress might provide.

Marine Ecology. Volume 5, Issue 2. The Ecology of Marine Hydroids and Effects of Environmental factors: A Review.

Boero. Istituto di Zoologia dell'Universita, Via Balbi 5, 1– Genova, Italy. Search for more papers by this author.

Boero. Bernhard Werner has written: 'Effect of some environmental factors on differentiation and determination in marine hydrozoa' -- subject(s): Hydrozoa. Bernhard Werner has written: 'Effect of some environmental factors on differentiation and determination in marine hydrozoa' -- subject(s): Hydrozoa What is the main issue in deforestation.

Hydroid, any member of the invertebrate class Hydrozoa (phylum Cnidaria). Most hydroids inhabit marine environments, but some hydroids have invaded freshwater habitats.

Hydroids may be either solitary or colonial, and there are about 3, known species. This article reviews the effects of environmental factors (i.e., temperature, light and pH) and nutrient availability (e.g., carbon, nitrogen, phosphorus, potassium, and trace metals) as well as cross-interactions on the biochemical composition of algae with a special focus on carbon fixation and partitioning of carbon from a biofuels perspective.

The process of deterioration of materials induced by outdoor environmental factors is a complex interplay of the effects of climate and local meteorological charac-teristics, of biological processes and frequently of complicated chemical processes resulting from the impact of pollutants and natural constituents from the surround-ing environment.

Examples of environmental factors include soil, water, climate, natural vegetation and landforms. Environmental factors entail everything that changes the environment.

Some factors are visible, while others cannot be seen. In some situations, only the effects of environmental. One of the best-studied reptiles is the European pond turtle, Emys obicularis.

In laboratory studies, incubating Emys eggs at temperatures above 30°C produces all females, while temperatures below 25°C produce all-male broods. The threshold temperature (at which the sex ratio is even) is °C (Pieau et al.

).The developmental period during which sex determination occurs can be. Essentially, the ideal classroom environment is one that is thoughtfully designed to favourably stimulate and balance the 5 senses towards learning.

It is very simple to create an environment for learning if we address up front the things that affect the 5 senses negatively in the initial classroom design.Environmental Public Health The Missouri Department of Health and Senior Services evaluates potentially hazardous substances and sites to determine their impact on the public’s health.

Health officials provide information to communities about exposure to hazardous substances and ways to reduce exposure until the risk is eliminated.Jean Bouillon dedicated his life to the study of the Hydrozoa, starting with life cycles, histology, developmental biology and evolution, culminating his career with the description of more than new taxa, from species to orders.

He established the core of this book. Cinzia Gravili studies life cycles and taxonomy of the Hydrozoa.