Question 1

The following are all main points of the article Seaweeds and Medicine, except:

Accepted Answer

A)  Seaweeds have been used for thousands of years for therapeutic purposes. 
B)  Vitamin C, iodine, and agar are substances found in seaweeds. 
C)  Phycocolloids are used in the pharmaceutical and biomedical industries. 
D)  It is extremely expensive to extract useful substances from seaweeds. 
A)  Seaweeds have been used for thousands of years for therapeutic purposes. 
B)  Vitamin C, iodine, and agar are substances found in seaweeds. 
C)  Phycocolloids are used in the pharmaceutical and biomedical industries. 
D)  It is extremely expensive to extract useful substances from seaweeds.

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

A) fucoxanthin 
B) chlorophylls a and b 
C) phycoerythrin 
A) fucoxanthin 
B) chlorophylls a and b 
C) phycoerythrin

Question 4

Match the words with the most closely associated multicellular producer.
-Brown algae

Accepted Answer

A) Stipe and blade 
B) Aerenchyme 
C) Filamentous 
D) Pelagic 
A) Stipe and blade 
B) Aerenchyme 
C) Filamentous 
D) Pelagic

Question 5

The compensation depth refers to:

Accepted Answer

A)  the depth at which seaweed growth compensates for grazers. 
B)  always 3 times the secchi disk depth. 
C)  the depth which provides only enough light for photosynthesis but not growth. 
D)  the depth where competition excludes a species. 
E)  the depth at which phytoplankton dissolve. 
A)  the depth at which seaweed growth compensates for grazers. 
B)  always 3 times the secchi disk depth. 
C)  the depth which provides only enough light for photosynthesis but not growth. 
D)  the depth where competition excludes a species. 
E)  the depth at which phytoplankton dissolve.

Question 6

Some algae utilize calcium carbonate to:

Accepted Answer

A)  deter herbivores. 
B)  aid in maintaining a proper pH balance. 
C)  assist in photosynthesis. 
D)  replace mucus. 
E)  prevent from freezing. 
A)  deter herbivores. 
B)  aid in maintaining a proper pH balance. 
C)  assist in photosynthesis. 
D)  replace mucus. 
E)  prevent from freezing.

Question 7

Algae have no vascular tissue.

Accepted Answer

A) True 
 B)False

Question 8

Rockweed have eliminated the ____ life stage.

Accepted Answer

A)  sporophyte 
B)  carpospore 
C)  gametophyte 
D)  zygote 
E)  tetrasporophyte 
A)  sporophyte 
B)  carpospore 
C)  gametophyte 
D)  zygote 
E)  tetrasporophyte

Question 9

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

Accepted Answer

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

Question 10

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

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 11

Coralline red algae have an outer covering made of:

Accepted Answer

A)  cellulose. 
B)  calcium carbonate. 
C)  silica. 
D)  protein. 
E)  starch 
A)  cellulose. 
B)  calcium carbonate. 
C)  silica. 
D)  protein. 
E)  starch

Question 12

The greatest diversity of algae is found at:

Accepted Answer

A)  tropical latitudes. 
B)  polar latitudes. 
C)  subtropical latitudes. 
D)  temperate latitudes. 
A)  tropical latitudes. 
B)  polar latitudes. 
C)  subtropical latitudes. 
D)  temperate latitudes.

Question 13

Marine plants may contribute to the prevention of algal blooms by:

Accepted Answer

A)  trapping sediments. 
B)  absorbing excess nutrients. 
C)  removing toxic organic pollutants. 
D)  producing detritus. 
E)  blocking sunlight. 
A)  trapping sediments. 
B)  absorbing excess nutrients. 
C)  removing toxic organic pollutants. 
D)  producing detritus. 
E)  blocking sunlight.

Question 14

____ is an important food additive that is obtained from giant kelp.

Accepted Answer

A)  Carageenan 
B)  Alginate 
C)  Agar 
D)  Dulse 
E)  Diatomaceous earth 
A)  Carageenan 
B)  Alginate 
C)  Agar 
D)  Dulse 
E)  Diatomaceous earth

Question 15

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

Accepted Answer

A) Stipe and blade 
B) Aerenchyme 
C) Filamentous 
D) Pelagic 
A) Stipe and blade 
B) Aerenchyme 
C) Filamentous 
D) Pelagic

Question 16

If salt marsh plants are facultative halophytes, then why do they live and dominate in salty areas but not elsewhere?

Accepted Answer

Salt marsh plants can only compete succe

Question 17

An example of a hydrophyte flowering plant that can withstand and thrive under conditions of continued submergence is:

Accepted Answer

A)  cordgrass. 
B)  pickle weed. 
C)  salt grass. 
D)  turtle grass. 
E)  blue grass. 
A)  cordgrass. 
B)  pickle weed. 
C)  salt grass. 
D)  turtle grass. 
E)  blue grass.

Question 18

The macroalgae are commonly known as:

Accepted Answer

A)  seagrasses. 
B)  seaweeds. 
C)  kelps. 
D)  higher plants. 
E)  phytoplankton. 
A)  seagrasses. 
B)  seaweeds. 
C)  kelps. 
D)  higher plants. 
E)  phytoplankton.

Question 19

Algae are divided taxonomically into different groups based on differences in:

Accepted Answer

A)  morphology. 
B)  photosynthetic pigments. 
C)  habitat. 
D)  depth distribution. 
E)  size. 
A)  morphology. 
B)  photosynthetic pigments. 
C)  habitat. 
D)  depth distribution. 
E)  size.

Question 20

Match the words with the most closely associated term.
-Marsh plants

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

The following are all main points of the article Seaweeds and Medicine, except:

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

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

Match the words with the most closely associated multicellular producer. -Brown algae

The compensation depth refers to:

Some algae utilize calcium carbonate to:

Algae have no vascular tissue.

Rockweed have eliminated the ____ life stage.

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

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

Coralline red algae have an outer covering made of:

The greatest diversity of algae is found at:

Marine plants may contribute to the prevention of algal blooms by:

____ is an important food additive that is obtained from giant kelp.

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

If salt marsh plants are facultative halophytes, then why do they live and dominate in salty areas but not elsewhere?

An example of a hydrophyte flowering plant that can withstand and thrive under conditions of continued submergence is:

The macroalgae are commonly known as:

Algae are divided taxonomically into different groups based on differences in:

Match the words with the most closely associated term. -Marsh plants

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

The following are all main points of the article Seaweeds and Medicine, except:

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

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

Match the words with the most closely associated multicellular producer. -Brown algae

The compensation depth refers to:

Some algae utilize calcium carbonate to:

Algae have no vascular tissue.

Rockweed have eliminated the ____ life stage.

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

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

Coralline red algae have an outer covering made of:

The greatest diversity of algae is found at:

Marine plants may contribute to the prevention of algal blooms by:

____ is an important food additive that is obtained from giant kelp.

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

If salt marsh plants are facultative halophytes, then why do they live and dominate in salty areas but not elsewhere?

An example of a hydrophyte flowering plant that can withstand and thrive under conditions of continued submergence is:

The macroalgae are commonly known as:

Algae are divided taxonomically into different groups based on differences in:

Match the words with the most closely associated term. -Marsh plants

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