Test 1

Question 0

List the 4 ways to test salinity.

Answer 0

1) Evaporation
2) Optical Reflectometer
3) Hydrometer
4) Conductivity meter

Question 1

List the 5 differences between freshwater and saltwater.

Answer 1

1) size
2) salinity
3) movement
- currents and tides
4) permanent
5) big bio diversity

Question 2

List the different salinities and ppt for them.

Answer 2

***Freshwater 40

Question 3

Define long shore currents.

Answer 3

Current that goes parallel with the shore

Question 4

List the three layers of the middle oceans.

Answer 4

1) surface layer
2) intermediate layer
3) deep layer

Question 5

List the eight zones of the ocean and what is found there.

Answer 5

1) splash zone - periwinkles
2) supralittoral - spartina
3) littoral - greens, reds, & browns
4) Sublittoral - sea grasses
5) Continental shelf - oil rigs
6) Archibenthic - 200 to 1000 meters
7) Abyssal -
8) Hadal zone

Question 6

List some structural adaptations of Chrysophyta.

Answer 6

1) bladder types
2) coin or disk like
3) needle or hair like
4) ribbon types
5) branched

Question 7

What is the common name of Chrysophyta and what are the frustule made out of?

Answer 7

Golden algae

SiO2

Question 8

Give an example of a thecate dinoflagellate and a naked one.

Answer 8

Ceratium = thecate

Peridinium = naked

Question 9

Define tide.

Answer 9

The rhythmic rise and fall of the sea surface

Question 10

Define tidal wave.

Answer 10

Tsunami - seismic disturbance - not related to the tide - not rhythmic

Question 11

What is a red tide?

Answer 11

An algal bloom from dinoflagellates

Question 12

Define Ebb tide.

Answer 12

The downward movement of water away from shore

Question 13

Why do heroes leave with the morning tide?

Answer 13

Because the sun pulls the the tide out in the morning

Question 14

Define Flood tide.

Answer 14

The upward movement of water toward the shore

Question 15

Define Spring tide.

Answer 15

Tides wit a large tidal range. Occur around new and full moons.

Question 16

Define Neap tides.

Answer 16

Tides with a small tidal range. Occur around quarter moons

Question 17

What are two causative agents of tides?

Answer 17

Moon & sun cycle

Rotations of the earth, moon & sun

Question 18

Define Mesoglea.

Answer 18

The layer between the epidermis and gastrodermis in Cnidarians

Question 19

Define mesoderm.

Answer 19

The middle layer of tissue I developing embryos. Reproductive system and others

Question 20

Define Pneumatocysts.

Answer 20

Air cells found only in some brown algae

Question 21

Define Halophyte.

Answer 21

Salt tolerant plants

Question 22

What makes Caulerpas’ holdfast different?

Answer 22

Grows in soft substrate

Question 23

What are some characteristics of protozoans?

Answer 23

1) generally unicellular
2) important indicators in the petroleum industry
3) they fave flagella and/or cilia

Question 24

What are the 3 types of naturally occurring liquids?

Answer 24

Water, oil, & mercury

Question 25

What are some characteristics of radiolarians?

Answer 25

SiO2

Spherical symmetry

Question 26

What’s a characteristic of sponges?

Answer 26

No well-developed tissues

Question 27

What are some characteristics of sea anemones?

Answer 27

Nerve net

2 germ layers

Question 28

What are some characteristics of sponges?

Answer 28

Sessile
Filter feeders
Spicules
    - SiO2
    - support
    - triaxon
Choanocytes
    - endocytosis

Question 29

What are some characteristics of Cnidaria?

Answer 29

Mostly marine
Ectodermis
Mesoglea
Endodermis
Radial symmetry

Question 30

Can you draw the life cycles of Obelia & Aurelia?

Answer 30

Yes