'Water striders ' presentation slideshows

Nonpoint Source Pollution, Low Impact Development and Wildlife

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Chapter 6

Chapter 6. Biomes and Aquatic Ecosystems. Aquatic Ecosystems. Aquatic Ecosystems. Differ from terrestrial ecosystems Temperature variations usually less pronounced Salinity a major factor (Fresh water vs. salt water) Three major groups of aquatic organisms-

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Gases The Kinetic-Molecular Theory

Gases The Kinetic-Molecular Theory. Ludwig Boltzman and James Maxwell. They each proposed a model to explain the properties of gases. This model is called, kinetic-molecular theory because all of the gases known to them contained molecules.

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Sexual Conflict

Sexual Conflict. The Coevolutionary Battle of the Sexes (Part I). Understanding Sexual Conflict. A psychic struggle, often unconscious, resulting from the opposition or simultaneous functioning of mutually exclusive impulses, desires, or tendencies Why does sexual conflict occur?

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Aquatic Hemiptera

Aquatic Hemiptera. 68 genera 412 species in North America. Most are predators. Exception is Corixidae = detritivores. Most lay eggs in spring. Develop during summer, overwinter as adults. Larvae. Single segmented tarsi Wings present as wingpads. Head . Eyes well-developed

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What makes an Aquatic Habitat suitable for life? By: Barbara Laurenson

What makes an Aquatic Habitat suitable for life? By: Barbara Laurenson. First you have to go to an aquatic habitat to make observations, see what lives in, on, and around the water. Go on a Field Trip. You may find butterflies . You may find butterflies and other insects.

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Hemiptera: Heteroptera: True Bugs

Hemiptera: Heteroptera: True Bugs. Hydrometridae: Water Measurers. Gerridae: Water Striders. Halobates , only true marine insect. Veliidae: Broad-shouldered Water Striders. Notonectidae: Back Swimmers. Naucoridae: Creeping Water Bugs. Nepidae: Water Scorpions. Nepidae continued.

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Environmental health data from Sept 24 th 2009

Environmental health data from Sept 24 th 2009. No of species found in river : 5 species (Shrimps, crabs, nymphs, water striders, Fish) Average no of species found per sample: 3 Average no of organisms found: 7 PH in Water: 7 PH on Soil: 6 PH on Vegetation: 6.

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