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Ocean 115 - Introduction to Oceanography » Spring 2022 » Marine communities lecture quiz

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Question #1

What does the prefix Steno refer to?

A. it refers to wide, which can be used to describe organisms that have wide tolerances for specific factors.

B. it refers to narrow, which can be used to describe organisms that have narrow tolerances for specific factors.

C. it refers to length, which can be used to describe organisms that have long specific factors.

D. it refers to depth, which can be used to describe organisms that have deep specific factors.

Question #2

What does the prefix Eury refer to?

A. it refers to length, which can be used to describe organisms that have long specific factors.

B. it refers to narrow, which can be used to describe organisms that have narrow tolerances for specific factors.

C. it refers to wide, which can be used to describe organisms that have wide tolerances for specific factors.

D. it refers to depth, which can be used to describe organisms that have deep specific factors.

Question #3

What is a habitat?

A. it is an organism’s physical location in its community.

B. it is an organism’s ability to move through its community.

C. it is an organism’s limiting factor in its community.

D. it is an organism’s role in the community.

Question #4

What is a niche?

A. it is an organism’s ability to move through its community.

B. it is an organism’s role in the community.

C. it is an organism’s physical location in its community.

D. it is an organism’s limiting factor in its community.

Question #5

Is the optimal range of a species is where you find the highest numbers of that species?

A. Cannot be determined from the lecture

B. Yes

C. No

Question #6

Competition can occur among members of ________________________.

A. between animals only

B. the same species and different species

C. different species

D. the same species

E. between plants only

Question #7

Which is not a marine community?

A. Open ocean

B. Coral reef

C. They are all marine communities

D. Sand beach

E. Deep seafloor

Question #8

What kind of organisms is found near hydrothermal vents?

A. The organisms found near the hydrothermal vents are mainly photosynthetic.

B. The organisms found near the hydrothermal vents are mainly grazers.

C. The organisms found near the hydrothermal vents are mainly filter feeders.

D. The organisms found near the hydrothermal vents are mainly those with radial symmetry.

E. The organisms found near the hydrothermal vents are mainly chemosynthetic.

Question #9

In estuaries, organisms have to cope with constantly changing?

A. Sunlight

B. Predators

C. Salinity

D. Nutrients

Question #10

The living part of the reef extends ____________________.

A. hundreds of feet down

B. up to one thousand feet down

C. as just a thin layer on the surface

D. ten feet down

E. one foot down

Question #11

The exoskeleton formed by the coral polyp is known as?

A. Coquina

B. Regullite

C. Meofauna

D. Granulite

E. Corallite

Question #12

Where do zooxanthallae live?

A. As parasites on fish

B. On the ocean floor

C. Within the tissue of the coral polyp

D. Tied to crinoids

Question #13

Corals do best in ________________.

A. freshwater

B. nutrient-poor waters

C. highly turbid waters

D. brackish waters

E. nutrient-rich waters

Question #14

Which is not a common coral reef fish?

A. Grunt

B. Gahhee

C. Grunt

D. Soldierfish

E. Barracuda

Question #15

The correct order of reef development is?

A. fringing reef then atoll then barrier reef

B. barrier reef then atoll then fringing reef

C. fringing reef then barrier reef then atoll

D. atoll then barrier reef then fringing reef

E. barrier reef then fringing reef then atoll

Question #16

Snailfish can live at depths as great as ___________________.

A. 90 meters

B. 10 meters

C. 9000 meters

D. 7000 meters

E. 1000 meters

Question #17

Pyrococcus furiosuscan survive temperatures as high as?

A. 100 degrees C

B. 10 degrees C

C. 50 degrees C

D. 20 degrees C

E. 80 degrees C

Question #18

Commensalism is when?

A. one organism benefits, but the other is harmed

B. both organisms benefit in these relationships

C. two organism are both harmed by the relationship

D. one organism benefits, the other is not helped or harmed