Question 1

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

Accepted Answer

A) Tropics 
B) Temperate; highest diversity in Indo-West Pacific Ocean 
C) Temperate 
A) Tropics 
B) Temperate; highest diversity in Indo-West Pacific Ocean 
C) Temperate

Question 2

Pneumatophores are specialized to:

Accepted Answer

A)  exchange gas. 
B)  produce nutritive roots. 
C)  stabilize the plant. 
D)  both a and b 
A)  exchange gas. 
B)  produce nutritive roots. 
C)  stabilize the plant. 
D)  both a and b

Question 3

Explain the basis for how the three groups of macroalgae are divided, and name the main pigment(s) characteristic to each group.

Accepted Answer

Algae are divided into three groups base

Question 4

A mechanism in many salt plants to control osmotic pressure is:

Accepted Answer

A)  to remain as osmoconformers. 
B)  to have succulent parts. 
C)  to dry out. 
D)  to go dormant during periods of high salinity. 
E)  to drop leaves. 
A)  to remain as osmoconformers. 
B)  to have succulent parts. 
C)  to dry out. 
D)  to go dormant during periods of high salinity. 
E)  to drop leaves.

Question 5

Which of the following is false about Sargassum?

Accepted Answer

A)  It is in the division Rhodophyta. 
B)  Some species are pelagic. 
C)  It is common in the Gulf Stream. 
D)  It is buoyed by pnuematocysts. 
E)  It forms a habitat for animals. 
A)  It is in the division Rhodophyta. 
B)  Some species are pelagic. 
C)  It is common in the Gulf Stream. 
D)  It is buoyed by pnuematocysts. 
E)  It forms a habitat for animals.

Question 6

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

Accepted Answer

A) gametangia 
B) tetrasporophyte 
C) zygote 
A) gametangia 
B) tetrasporophyte 
C) zygote

Question 7

The color of light that penetrates seawater to the greatest depth in coastal waters is:

Accepted Answer

A)  blue. 
B)  red. 
C)  green. 
D)  orange. 
E)  yellow 
A)  blue. 
B)  red. 
C)  green. 
D)  orange. 
E)  yellow

Question 8

Why is it possible for multicellular green and red algae to reproduce asexually by fragmentation but not the brown algae?

Accepted Answer

The main reason for this is the simple,

Question 9

Match the term with the most closely associated term.
-Seagrasses

Accepted Answer

A) Tropics 
B) Temperate; highest diversity in Indo-West Pacific Ocean 
C) Temperate 
A) Tropics 
B) Temperate; highest diversity in Indo-West Pacific Ocean 
C) Temperate

Question 10

Brown algae belong to the phylum:

Accepted Answer

A)  Rhodophyta. 
B)  Chlorophyta. 
C)  Anthophyta. 
D)  Phaeophyta. 
E)  Dinophyta. 
A)  Rhodophyta. 
B)  Chlorophyta. 
C)  Anthophyta. 
D)  Phaeophyta. 
E)  Dinophyta.

Question 11

The sporophyte and gametophyte stages of sea lettuce are not identical.

Accepted Answer

A) True 
 B)False

Question 12

Outline at least 3 ecological roles of mangroves.

Accepted Answer

Mangroves play a number of ecological ro

Question 13

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

Accepted Answer

A) food source for insects 
B) habitat for nesting birds 
C) covered with epiphytes 
A) food source for insects 
B) habitat for nesting birds 
C) covered with epiphytes

Question 14

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

Accepted Answer

A) Culms 
B) Pneumatophores 
C) Rhizomes 
A) Culms 
B) Pneumatophores 
C) Rhizomes

Question 15

Match the words with the most closely associated multicellular producer.
-Seagrasses

Accepted Answer

A) rhizomes 
B) coralline 
C) holdfast 
A) rhizomes 
B) coralline 
C) holdfast

Question 16

Salt marsh plants play an important ecological role in

Accepted Answer

A)  recycling nutrients. 
B)  stabilizing sediments. 
C)  filtering run-off from coastal areas. 
D)  habitat for small animals. 
E)  all of the above 
A)  recycling nutrients. 
B)  stabilizing sediments. 
C)  filtering run-off from coastal areas. 
D)  habitat for small animals. 
E)  all of the above

Question 17

In colder regions, some macroalgae die off in winter, but others termed ____ live for at least 2 years.

Accepted Answer

A)  perennials 
B)  annuals 
C)  eurythermals 
D)  stenothermals 
E)  biannuals. 
A)  perennials 
B)  annuals 
C)  eurythermals 
D)  stenothermals 
E)  biannuals.

Question 18

The haploid stage of the red algae life cycle is called:

Accepted Answer

A)  sporophyte. 
B)  zygote. 
C)  gamete. 
D)  gametophyte. 
E)  tetrasporophyte. 
A)  sporophyte. 
B)  zygote. 
C)  gamete. 
D)  gametophyte. 
E)  tetrasporophyte.

Question 19

Bladders on kelp function to anchor the thallus to the substrate.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

A) Culms 
B) Pneumatophores 
C) Rhizomes 
A) Culms 
B) Pneumatophores 
C) Rhizomes

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

Pneumatophores are specialized to:

Explain the basis for how the three groups of macroalgae are divided, and name the main pigment(s) characteristic to each group.

A mechanism in many salt plants to control osmotic pressure is:

Which of the following is false about Sargassum?

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

The color of light that penetrates seawater to the greatest depth in coastal waters is:

Why is it possible for multicellular green and red algae to reproduce asexually by fragmentation but not the brown algae?

Match the term with the most closely associated term. -Seagrasses

Brown algae belong to the phylum:

The sporophyte and gametophyte stages of sea lettuce are not identical.

Outline at least 3 ecological roles of mangroves.

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

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

Match the words with the most closely associated multicellular producer. -Seagrasses

Salt marsh plants play an important ecological role in

In colder regions, some macroalgae die off in winter, but others termed ____ live for at least 2 years.

The haploid stage of the red algae life cycle is called:

Bladders on kelp function to anchor the thallus to the substrate.

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

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

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

Pneumatophores are specialized to:

Explain the basis for how the three groups of macroalgae are divided, and name the main pigment(s) characteristic to each group.

A mechanism in many salt plants to control osmotic pressure is:

Which of the following is false about Sargassum?

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

The color of light that penetrates seawater to the greatest depth in coastal waters is:

Why is it possible for multicellular green and red algae to reproduce asexually by fragmentation but not the brown algae?

Match the term with the most closely associated term. -Seagrasses

Brown algae belong to the phylum:

The sporophyte and gametophyte stages of sea lettuce are not identical.

Outline at least 3 ecological roles of mangroves.

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

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

Match the words with the most closely associated multicellular producer. -Seagrasses

Salt marsh plants play an important ecological role in

In colder regions, some macroalgae die off in winter, but others termed ____ live for at least 2 years.

The haploid stage of the red algae life cycle is called:

Bladders on kelp function to anchor the thallus to the substrate.

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

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