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Envirothon Aquatics #1

Authored by Mr. Crow

Science

9th - 12th Grade

NGSS covered

Used 13+ times

Envirothon Aquatics #1
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the name of the device designed for sampling of aquatic macroinvertebrates?

Whitman's sampler

Aquatic Macroinvertebrate Sampler

Hester-Dendy Sampler

Benthic Drum Sampler

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following nonpoint source pollutants currently are the greatest threat to Ohio's waters?

septic tank runoff

road salt runoff

effluent from wastewater treatmemt plants

soil erosion and sedementation

Tags

NGSS.HS-ESS2-5

NGSS.HS-LS2-7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The limiting nutrient in most freshwater systems (especially Lake Erie) is

carbon

phosphorus

nitrogen

potassium

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a stream ecosystem, which of the following fish would indicate the BEST water quality?

Green sunfish, creek chub, common carp

rainbow darter, stonecat madtom, logperch

catfish, creek chub, northern pike

freshwater drum, logperch, stonecat madtom

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which best describes vernal pools?

No hydrologic inflows or outflows, dominated by sphagnum moss, acidic, very low nutrient ecosystem.

Fed primarily by groundwater, dominated by sedges, cedars

Nutrient rich, semi-permanently flooded, dominated by cattails

Forested, seasonlly ponded, dominated by pin oaks, elms, red maples, amphibian breeding locations

Tags

NGSS.MS-LS2-5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In a river ecosystem, which of the following assemblages of benthic macroinvertebrates would indicate the best water quality?

riffle beetle, black fly larva, scuds

leech, dragonfly nymph, riffle beetle

dragronfly nymph, pouch snail, fingernail clam

scud, gilled snails, riffle beetles

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Sometimes during timber harvesting operations it is necessary to cross a stream. What is the best place to cross a stream?

At the point where two streams come together

At a right angle or perpendicular to the banks

Never cross a stream when water is present

Where the stream bed is primarily made up of soil and sediment.

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