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38 Cards in this Set
- Front
- Back
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What is the role of midges in sewage treatment?
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feed on algae + sediment
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Comple changes in the composition of bottom-dwelling communities, as measured both ____(1)_____ and _____(2)_____ will reflect either nonoptimum or intolerable quality shifts.
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1.) qualitatively
2.) quanitatively |
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Intermittent
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Water flows discontinuous during parts or year
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Describe the problem with monitoring water chemistry of fishes:
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It reflects the quality of water only at times of samples taken.
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Different respiratory types of aquatic insects and describe
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Contact air-water, extended air-water (tube), air bubbles, underwater stream, gills, submerged
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Proleg
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Fleshy, Unsegmeneted, leglike or lobelike structure, usually in pairs
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Sprawlers
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Crawl on various surfaces of such substrates
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Name 7 reasons why an environmental impact study involving aquatic organisms should be conducted:
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1.) Create a reservior
2.) Dredge a stream 3.) Construct power plant cooling facilities. 4.) Construct sewage treatment plants 5.) Construct factories which devliver potentially toxic effluents into a river or lake 6.) Mining or deforestration activities 7.) Spraying chemicals over wetland and forests. |
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Substrate
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Fixed or floating inorganic or organic object
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Who formalized AE into a discipline?
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James G. Needham
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Using the picture key:
The user is given ___a___ alternatives. Choose the ___b___ that applies to the insect under study. Orders will generally key out more than ___c___ end point in the key. This is to accommodate the varios ___d___ and the large ___e___ of variability that is encountered in some groups. |
a - 2
b - alternative c - 1 d - stages e - degree |
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What is the role of aquatic flies in sewage treatment?
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Prevent surface film of ooze.
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Benthos
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bottom dwellers - on or around substrate
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How does AE interact with the food web?
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Terestrial + aquatic organisms heavily forage on both aquatic + terr. stages of aquatics.
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Swimmers
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Water beatles + bugs
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What are some car related problems that come with aquatic insects?
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They could get stuck or lay eggs in car finishes
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Burrowers
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burrow in soft-bottom substrates
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Bottom-dwelling insects maintain a relatively ____1____ position in the aquatic environment
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1.) stable
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Climbers
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Reside in plant stem root systems; moss
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What is the role of bacteria in sewage treatment?
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promotes breakdown of sewage
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Clingers
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benthic insects that cling to substrates
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Name 3 insect born diseases
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1.) Malaria
2.) Encephalitis 3.) Yellow Fever |
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Floaters
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live at or near water surface
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What is the role of algae in sewage treatment?
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eventual by-product
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Facet
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One of the ports or lenslike division of a compound eye
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What is the role of the World Health Organization (WHO)?
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To control pests!
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What is a bioassy?
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Biological indicators used soley for the purpose of targeting toxins in streams, etc
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Wing pad
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Developing or sheath of developing wing
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How does AE interact with other disciplines?
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Many aquatic flies are of importance as disease vectors. AE interacts with medical entomology + parsitology.
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How many species of Ephmeroptera are found in NA north of Mexico?
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Over 700
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Name 6 insect pests that bite man
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Black, Sand, Horse, Deer Flies, Mosquitoes, and Biting Midges
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Explain forage ratio:
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%of food
__________ % of same food item available in fishes environment |
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Molting
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Shed exoskeleton + grow new one.
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Process
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Robust, often acute, unsocketed outgrowths or extension of
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Cast skin
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The shedded exoskeleton
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Notum
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Dorsal surface of a body segment
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Perennial
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Water flows continually throughout year
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What is the difference b/w growth and maturation?
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Growth - increase in size
Maturation - morphological + psychological growth |
