Question 1

When two or more separate mutlicellular algae stages occur in succession during the life cycle, we call this:

Accepted Answer

A)  gametangia. 
B)  fragmentation. 
C)  sporangium. 
D)  alternation of generations. 
A)  gametangia. 
B)  fragmentation. 
C)  sporangium. 
D)  alternation of generations.

Question 2

What are two functions of mucilage in algae?

Accepted Answer

The mucilage helps protect algae from de

Question 3

What advantage does phycoerythrin confer upon red algae?

Accepted Answer

Phycoerythrin is an accessory pigment th

Question 4

Seed-producing plants first evolved ____.

Accepted Answer

A)  on land 
B)  in freshwater 
C)  in the ocean 
D)  in estuaries 
E)  from red algae ancestors. 
A)  on land 
B)  in freshwater 
C)  in the ocean 
D)  in estuaries 
E)  from red algae ancestors.

Question 5

Fragmentation is a type of ____ for drift algae, like Sargassum.

Accepted Answer

A)  mechanism that leads to genetic population structure 
B)  sexual reproduction 
C)  asexual reproduction 
D)  response to high water temperature 
E)  response to herbivory 
A)  mechanism that leads to genetic population structure 
B)  sexual reproduction 
C)  asexual reproduction 
D)  response to high water temperature 
E)  response to herbivory

Question 6

Seagrasses do not produce pollen.

Accepted Answer

A) True 
 B)False

Question 7

Which of these groups of algae could you potentially find in a high mountain lake?

Accepted Answer

A)  red 
B)  brown 
C)  green 
D)  cyanobacteria 
A)  red 
B)  brown 
C)  green 
D)  cyanobacteria

Question 8

Outline at least 3 ecological roles of the giant kelps.

Accepted Answer

Giant kelps play a number of ecological

Question 9

Mangrove trees have specialized ____ to stabilize the plant in ____.

Accepted Answer

A)  roots, mud 
B)  holdfast, rocks 
C)  roots, rocks 
D)  holdfast, mud 
E)  roots, sand 
A)  roots, mud 
B)  holdfast, rocks 
C)  roots, rocks 
D)  holdfast, mud 
E)  roots, sand

Question 10

Salt marsh plants differ from seagrasses in that they:

Accepted Answer

A)  are not fully marine plants. 
B)  require freshwater to reproduce. 
C)  are intolerant of full strength seawater. 
D)  are found throughout the world. 
E)  have roots, while seagrasses do not. 
A)  are not fully marine plants. 
B)  require freshwater to reproduce. 
C)  are intolerant of full strength seawater. 
D)  are found throughout the world. 
E)  have roots, while seagrasses do not.

Question 11

How are giant kelp and sea grass alike?

Accepted Answer

A)  both contain chlorophyll a 
B)  both utilize gas-filled spaces for buoyancy 
C)  both lack conductive tissues and rely on diffusion to transport molecules manufactured by photosynthesis 
D)  both a and b 
E)  both b and c 
A)  both contain chlorophyll a 
B)  both utilize gas-filled spaces for buoyancy 
C)  both lack conductive tissues and rely on diffusion to transport molecules manufactured by photosynthesis 
D)  both a and b 
E)  both b and c

Question 12

Seagrasses are not true grasses.

Accepted Answer

A) True 
 B)False

Question 13

What is the importance of accessory photosynthetic pigments to multicellular algae and other photosynthetic organisms?

Accepted Answer

Accessory pigments broaden the

Question 14

Match the words with the most closely associated term.
-Mangroves

Accepted Answer

A) pollinated by the wind 
B) disperses with floating propagules 
C) hydrophilous pollination 
A) pollinated by the wind 
B) disperses with floating propagules 
C) hydrophilous pollination

Question 15

The greatest importance of seagrasses and salt marsh plants as a source of food is that they are eaten directly by invertebrates and wildlife.

Accepted Answer

A) True 
 B)False

Question 16

Describe the life cycle of the giant kelp (Macrocystis), including both the gametophyte and sporophyte stages.

Accepted Answer

There are two stages in the giant kelp l

Question 17

MATCHING
Match the words with the most closely associated algae type.
-Red algae

Accepted Answer

A) Ulva 
B) Sargassum 
C) Porphyra 
A) Ulva 
B) Sargassum 
C) Porphyra

Question 18

Springtime vegetative growth in seagrasses is primarily due to metabolism of starch stored in the:

Accepted Answer

A)  roots. 
B)  leaves. 
C)  rhizomes. 
D)  turions. 
A)  roots. 
B)  leaves. 
C)  rhizomes. 
D)  turions.

Question 19

Flowering plants that are salt tolerant are called

Accepted Answer

A)  algae. 
B)  conifers. 
C)  halophytes. 
D)  sporophytes. 
E)  haptophytes. 
A)  algae. 
B)  conifers. 
C)  halophytes. 
D)  sporophytes. 
E)  haptophytes.

Question 20

What is the dominant photosynthetic pigment found in all types of algae?

Accepted Answer

A)  Chlorophyll b 
B)  Chlorophyll c 
C)  Chlorophyll a 
D)  Phycoerythrin 
E)  Chlorophyll d 
A)  Chlorophyll b 
B)  Chlorophyll c 
C)  Chlorophyll a 
D)  Phycoerythrin 
E)  Chlorophyll d

When two or more separate mutlicellular algae stages occur in succession during the life cycle, we call this:

What are two functions of mucilage in algae?

What advantage does phycoerythrin confer upon red algae?

Seed-producing plants first evolved ____.

Fragmentation is a type of ____ for drift algae, like Sargassum.

Seagrasses do not produce pollen.

Which of these groups of algae could you potentially find in a high mountain lake?

Outline at least 3 ecological roles of the giant kelps.

Mangrove trees have specialized to stabilize the plant in .

Salt marsh plants differ from seagrasses in that they:

How are giant kelp and sea grass alike?

Seagrasses are not true grasses.

What is the importance of accessory photosynthetic pigments to multicellular algae and other photosynthetic organisms?

Match the words with the most closely associated term. -Mangroves

The greatest importance of seagrasses and salt marsh plants as a source of food is that they are eaten directly by invertebrates and wildlife.

Describe the life cycle of the giant kelp (Macrocystis), including both the gametophyte and sporophyte stages.

MATCHING Match the words with the most closely associated algae type. -Red algae

Springtime vegetative growth in seagrasses is primarily due to metabolism of starch stored in the:

Flowering plants that are salt tolerant are called

What is the dominant photosynthetic pigment found in all types of algae?

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Marine Microbes

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters

Exam 7: Multicellular Primary Producers

When two or more separate mutlicellular algae stages occur in succession during the life cycle, we call this:

What are two functions of mucilage in algae?

What advantage does phycoerythrin confer upon red algae?

Seed-producing plants first evolved ____.

Fragmentation is a type of ____ for drift algae, like Sargassum.

Seagrasses do not produce pollen.

Which of these groups of algae could you potentially find in a high mountain lake?

Outline at least 3 ecological roles of the giant kelps.

Mangrove trees have specialized ____ to stabilize the plant in ____.

Salt marsh plants differ from seagrasses in that they:

How are giant kelp and sea grass alike?

Seagrasses are not true grasses.

What is the importance of accessory photosynthetic pigments to multicellular algae and other photosynthetic organisms?

Match the words with the most closely associated term. -Mangroves

The greatest importance of seagrasses and salt marsh plants as a source of food is that they are eaten directly by invertebrates and wildlife.

Describe the life cycle of the giant kelp (Macrocystis), including both the gametophyte and sporophyte stages.

MATCHING Match the words with the most closely associated algae type. -Red algae

Springtime vegetative growth in seagrasses is primarily due to metabolism of starch stored in the:

Flowering plants that are salt tolerant are called

What is the dominant photosynthetic pigment found in all types of algae?

Science and Marine Biology

Fundamentals of Ecology

Geology of the Ocean

Water, Waves, and Tides

Biological Concepts

Marine Microbes

Lower Invertebrates

Higher Invertebrates

Marine Fishes

Reptiles and Birds

Marine Mammals

Intertidal Communities

Estuaries

Coral Reef Communities

Continental Shelves and Neritic Zone

The Open Sea

Life in the Oceans Depths

Harvesting the Oceans Resources

Oceans in Jeopardy

Filters

Mangrove trees have specialized to stabilize the plant in .