Unit #2, Quiz #1, 2014-2015 Grade: «grade» Subject: «subject» Date: «date»

Unit #2, Quiz #1, 2014-2015

Grade:«grade»

Subject:«subject»

Date:«date»

1 You collect a sample of plankton while you are travelling. You keep this jar of plankton near a window for a week & then put it in a closet for another week. The water quality is healthy through both weeks. The sample dies off while in the closet. From this basic experiment you can hypothesize that the plankton was:

A phytoplankton

B zooplankton

C chemoautotrophic

2 Which anatomical feature prevents schooling fish from bumping into each other:

A Spinous dorsal

B Dorsal Line

C Lateral Line

D Spinous Lateral

3 Which of the following pictures demonstrates counter-shading

A

B

C D

4 Generally, which of the following is TRUE about phytoplankton & zooplankton

A Zooplankton require sunlight and stable temperatures

B Phytoplankton can be found deep within the aphotic zone of the ocean

C Zooplankon are the primary source of nutrition for phytoplankton

D Phytoplankton are smaller than zooplankton

5 How does a warm-water copepod differ from a cold-water copepod:

A Warm-water copepods have more appendages to propel themselves through the more dense water

B Warm-water copepods have multiple appendages to keep them afloat

C Warm-water copepods always have a well-defined head region

D Warm-water copepods are more streamline than warm-water to move through the more viscous water

6 A community is made up of

A a group of populations

B a group of individuals

C a group of organisms

D a group of biomes

7 Orcinus is the _________ for a killer whale.

A Kingdom

B Phylum

C Genus

D Species

8 What percent of aquatic species are considered benthic?

A 5%

B 25%

C 60%

D 98%

9 Which of the following pictures demonstrates chromatophores:

A

B

C D

10 The majority of life within an aquatic system can be found in:

A the epipelagic

B the benthic

C the euphotic

D the bathylpelagic

11 Which of the following is nektonic

A A barnical

B A dolphin

C A dungeness crab

D Spirogyra (green algae)

12 An organism that survives by being part of the deep scattering layer (DSL) would most likely be found in which of the following zones during daylight hours:

A Coastal waters

B Epipelagic

C Euphotic

D Bathypelagic

13 Many squid are considered meroplanktonic. This means:

A they spend a portion of thier life as bottom dwellers

B they spend all of their life as floaters

C they spend a portion of their life as floaters

D they spend all of their life as bottom dwellers

14 In which of the following zones would you most likely find a fish with very large, but functional eyes:

A epipelagic (euphotic)

B mesopelagic (disphotic)

C abyssal (aphotic)

D bathylpelagic (aphotic)

15 Asterias rubens is the scientific name for the common starfish. These can be found in many coastal waters. These organisms must be __________________ in order to survive in these waters.

A eurythermal & stenohaline

B eurythermal & euryhaline

C stenothermal & stenohaline

D stenothermal & euryhaline