Marine Plants Test Flashcards Preview

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Flashcards in Marine Plants Test Deck (57):
1

Marine plants that have true stems, roots, and leaves, are classified in this kingdom?

Plantae

2

What is the strand line, and how is it formed?

-composed of seaweed and debris
-washed up on beach by tide

3

How are marine alga classified?

According to the color of pigment in their cells

4

What are the common names of the three main groups of marine algae?

Green algae
Brown algae
Red algae

5

Marine green algae which lack the typical roots, stems, and leaves of land plants are found in which phylum?

Chlorophyta

6

What's the difference between vascular and nonvascular plants?

Vascular: have water conducting cells
Nonvascular: don't have water conducting cells

7

Are marine algae vascular or Nonvascular?

Nonvascular

8

How do marine algae get water into their cells for nourishment, without roots, stems, and leaves?

Directly from their surroundings

9

Brown algae are found in which phylum?

Phaeophyta

10

What are two important things that brown algae provide to marine organisms?

Shelter
Nutrients

11

Largest seaweed in the ocean are

Kelp

12

What is the purpose of the holdfast?

Attaches kelp to rock

13

What is the purpose of the stipe?

Connects to the lead blade

14

What is the purpose of the air bladders?

Keep leaf blades floating toward surface to receive maximum sunlight

15

What is the length of a giant kelp?

30 m (100 ft)

16

How did the Sargasso Sea found in North Atlantic get its name?

The alga sargassum grows in such abundance

17

The blue green bacteria is found in what kingdom and phylum?

Kingdom: monera
Phylum: Cyanobacteria

18

How is the pigment phycoerythrin influential in the naming of the Red Sea?

Causes the red color of the Red Sea

19

Diatoms are found in what kingdom?

Protista

20

What phylum are diatoms found in and what does it mean?

Chrysophyta, "golden algae"

21

What are the cell walls of diatoms called, and what are they made of?

Frustules, silica

22

Simple diffusion allows what two gases to pass in and out of the diatom through tiny pores?

Carbon dioxide
Oxygen

23

What are some uses for diatomaceous earth?

Filtering material, purify drinking water

24

What type of organisms can be harmed by algal blooms of diatoms, called a brown tide?

Scallops

25

Dinoflagellates are found in what phylum?

Pyrophyta

26

What are two of the features found on dinoflagellates which aren't present on diatoms?

2 flagella
Cellulose wall

27

The ability of an organism, like "Noctiluca", to produce light is called?

Bioluminescence

28

Why are salt marshes sometimes called tidal marshes?

They occur between low and high tide

29

Where else do salt marshes grow?

Estuaries

30

Where are needle rushes found in Florida?

Where tides reach higher levels

31

Where is smooth cordgrass found in Florida?

Lower areas that are inundated daily

32

What are two reasons that many animals inhabit salt marshes?

Protection from predators
Food for young fishes

33

Gulf coast salt marshes occur along shorelines and what other 4 areas?

-mouths of rivers
-bays
-bayous
-sounds

34

The roots of salt marshes allow them to

Withstand storm surges

35

Salt marshes act as a

Filter

36

Salt marshes trap sediments which

Improves water quality

37

What did the 'Warren B. Henderson Wetlands Act of 1984' establish regarding dredge and fill activities in Florida?

Clear guidelines for defining wetlands under state jurisdiction

38

Macroscopic multicellular marine algae, which doesn't have true stems, roots, or leaves, are classified in which kingdom?

Kingdom Protista

39

Hat might happen to estuarine dependent marine life if the balance of fresh and salt water is not maintained?

The marine life may die

40

When fishes and crustaceans migrate offshore to spawn and breed, how are the larvae transported back into the estuary?

Tides/currents

41

As rivers and streams drain into estuaries, what do the bring from the uplands?

Nutrients

42

List four important plants (microscopic and macroalgae) that contributes to the estuaries?

Phytoplankton
Marsh grasses
Mangroves
Sea grasses

43

For estuaries to remain productive fisheries, what must continue to flow into them?

Nutrient rich, pollutant free, fresh water

44

What % of Florida's residents live in coastal areas?

78%

45

What human activities involved with coastal development have done the most damage to estuarine habitat components?

Dredge and fill operations for waterfront homes and sea wall construction

46

What are three things you can do to protect our estuaries?

-properly dispose of all trash
-take your car to a pro car wash
-test soil to determine what nutrients are present before you add more

47

Do red mangroves have prop roots?

Yes

48

The depth at which seagrasses are found is limited by what major factor?

Water clarity

49

List 4 significant functions of sea grasses

-maintain water clarity
-stabilize bottom with roots
-provide shelter for fishes, etc.
-are foods for many marine animals

50

How many different species of marine sea grasses are found in Florida?

52

51

List the common names of the 7 types of seagrasses which inhabit the coastal waters of Florida

-widgeon grass
-shoal grass
-turtle grass
-manatee grass
-paddle grass
-star grass
-johnsons seagrass

52

3 main reasons responsible for the decline in seagrass beds throughout Florida waters?

-dredge and fill activities
-degraded water quality
-propeller scarring

53

How are red mangroves identified?

By tangled, arching roots called 'prop roots'

54

How are black mangroves identified?

By numerous, finger-like projections, called pneumatophores

55

How are white mangroves identified?

Leaves

56

What are the reproductive seedlings of mangroves called?

Propagules

57

The button mangrove is related to what thee mangrove species?

White mangroves