Stream ecology - inverts

Multiple Choice

What score would you give someone who is constantly on social media during a workshop?

• Emerging

• Developing

• Proficient

• Advanced

Multiple Select

What score would you give someone who is listening, writing notes, and asking questions, but two times checked their phone out of habit, realized the problem and quickly put it away?

• Emerging

• Developing

• Proficient

• Advanced

Multiple Choice

A river starts very small before getting larger. What is the name given to a small river that joins a larger river?

• Confluence
• Tribunal
• Tributary
• Joiner

Multiple Choice

The start of a river is called the what?

• River summit
• River source
• River start
• River mouth

Multiple Choice

Which of the following is untrue about aquatic macro invertebrates?

• Found in water

• Big enough to be seen without a microscope

• Has a backbone

• Does not have a backbone

Multiple Choice

What does the prefix macro mean?

• small enough that you need a microscope to see it

• very big

• big enough that you can see it with an unaided eye

• an organism that lives on the bottom

Multiple Choice

What does invertebrate mean?

• an organism that has a back bone

• does not have an internal skeleton (backbone)

• something you can see with an unaided eye

• an organism that lives in the water

Multiple Choice

Which of these are NOT all examples of the macroinvertebrates?

• Mayfly, Stonefly, Damselfly, Cranefly, Midge, Leech

• Water Boatman, Scud, Crayfish, Water Penny

• fish, salamanders, frogs

Multiple Choice

Which major Virginia watershed do we live in?

• Gulf of Mexico (Mississippi River) Watershed

• North Carolina Sound Watershed

• Chesapeake Bay Watershed

Multiple Choice

Which category of organism cannot make its own food?

• Autotroph

• Heterotroph

Multiple Select

Which of the following describe algae?

• most have leaflike, rootlike and stemlike structures

• smallest chlorophyll containing organisms

• typically found in a watery environment

• usually classified by leaflike, rootlike and stemlike structures

• part of the plankton

Multiple Choice

Which group of algae has been reclassified as cyanobacteria?

• dinoflagellates

• green

• red

• blue-green

Multiple Choice

Carbohydrates, proteins, lipids, that are the building blocks of living systems are ________________compounds

• organic

• carbon

• inorganic

Multiple Choice

Which of the following functional feeding groups would break down leaf litter?

• Scraper

• Shredder

• Collector/Gatherer

• Predator

Multiple Choice

Which of the following functional feeding groups would eat algae?

• Scraper

• Shredder

• Collector/Gatherer

• Predator

Multiple Choice

Insects that have the ability to create nets and cases at the bottoms of rivers to collect food and plant matter that is filtered out of the water would be classified as which of the following feeding styles?

• free living predators

• scrapers

• collector-gatherers

• collector-filterers

Multiple Choice

Examine the graph below of two animal populations. Which animal must be the prey species?

• A

• B

Multiple Choice

Predator population lags behind prey population because......

• Increase in predators leads to decrease in prey

• Increase in predators leads to increase in prey

• Increase in predators leads to decrease in producers

• Increase in producers leads to increase in prey

Multiple Choice

An ecological relationship where no organisms benefit.

• Competition

• Mutualism

• Parasitism

• Symbiosis

Fill in the Blanks

Fill in the Blanks

Multiple Choice

Gilled snail shells open on the _____ side.

• right

• left

Multiple Choice

A structure of tiny teeth used for collecting food particles off a surface to bring toward an organisms mouth

• Ctnidia

• Hemolymph

• Radula

• Endosternite

Fill in the Blanks

Multiple Choice

What is this?

• Caddisfly Larva

• Dobsonfly Larva

• Mayfly Larva

• Water Scorpion

Multiple Choice

Name this organism

• stonefly
• caddisfly
• mayfly
• dobson fly

Multiple Select

What are 3 distinguishing features of a Mayfly nymph? Check all that apply.

• 3 tail filaments

• Feathery gills line the side of abdomen

• Typically black, but can be green or gray

• Makes a case to protect themselves

Multiple Choice

Caddisflies are usually ______ and ______ shaped.

• cylindrical, C

• round, C

• oblong, D

• oval, C

Multiple Choice

What is this?

• stonefly

• centipede

• mayfly

• Dobsonfly (hellgramite)

Multiple Choice

• Stonefly Larva

• Caddisfly Larva

• Water Penny

• Water Scorpion

Fill in the Blanks

Fill in the Blanks

Multiple Choice

What is this?

• Water penny

• Hellgramite

• mayfly

• caddisfly

Multiple Choice

How do macroinvertebrates indicate water quality?

• If pollution-intolerant organisms are found, quality is good.

• If pollution-intolerant organisms not found, water is poor.

• If pollution-tolerant organisms are found, quality is good.

• If any of these are found, water is of poor quality.

Multiple Choice

The presence of only pollution tolerant macroinvertebrates like aquatic worms and black fly larva indicates

• good quality water

• poor quality water

• fair quality water

• swimming pool water