Marine Biology 8th Edition By Castro -Test Bank A+

Student: ___________________________________________________________________________
1. Seaweeds are included among the Protista. Some biologists, however, place them instead in the:
A. Kingdom Animalia
B. Kingdom Fungi
C. Kingdom Plantae
D. Prokaryotes
E. Seagrasses
2. Seaweeds and many bacteria are primary producers. In contrast to most of the bacteria that are primary
producers, however, all seaweeds:
A. Are photosynthetic
B. Are heterotrophic
C. Are prokaryotic
D. Have true leaves and roots
E. Are unicellular
3. Seaweeds can be best differentiated from the other algae because seaweeds:
A. Are eukaryotic
B. Are photosynthetic
C. Have true roots
D. Are mostly multicellular
E. Have true leaves
4. Seaweeds can be best differentiated from true plants because seaweeds:
A. Are photosynthetic
B. Are prokaryotic
C. Have no true roots, leaves, or stems
D. Have no chlorophyll
E. Are mostly unicellular
5. The root-like, anchoring structure of many seaweeds is called the:
A. Blade
B. Pneumatocyst
C. Thallus
D. Holdfast
E. Stipe
6. The thallus of a seaweed refers to its:
A. Anchoring structure
B. Gas-filled bladders
C. Stem-like part of the body
D. Complete body
E. Leaf-like structures, or blades
7. The stem-like structure of seaweeds such as kelp is called the:
A. Blade
B. Pneumatocyst
C. Stipe
D. Holdfast
E. Thallus
8. One of these groups of algae is found mostly in fresh water and on land, that is, only a small number is
actually marine:
A. Green algae
B. Brown algae
C. Kelps
D. Red algae
E. Coralline red algae
9. Green algae are characterized by:
A. Being mostly unicellular
B. Being mostly marine
C. Having chlorophyll plus red pigments
D. Having true roots
E. Having pigments similar to land plants
10. The most complex and largest of all the seaweeds is included among one of these groups:
A. Green algae
B. Brown algae
C. Coralline red algae
D. Calcareous green algae
E. Red algae
11. The Sargasso Sea is found in the:
A. Pacific Ocean
B. Black Sea
C. Indian Ocean
D. Atlantic Ocean
E. Arctic Ocean
12. Coralline red algae receive this name due to their ability to:
A. Emit light
B. Accumulate calcium carbonate
C. Be responsible for red tides
D. Live together with corals in coral reefs
E. Be parasites of other algae
13. The group of seaweeds with the largest number of species is the:
A. Green algae
B. Brown algae
C. Kelps
D. Red algae
E. Coralline algae
14. Encrusting algae are commonly found living:
A. In the plankton
B. On rocks
C. As parasites
D. As endophytes
E. On the water surface
15. Algin is a natural product extracted from seaweeds. It is used as:
A. An emulsifier in processed foods
B. A paper substitute
C. An insecticide
D. An explosive
E. An antibiotic
16. Reproduction in seaweeds can be very complex. It generally includes:
A. Only sexual reproduction
B. Only asexual reproduction
C. Both sexual and asexual reproduction
D. Only mitosis
E. Only meiosis
17. Marine flowering plants include all of the following except:
A. Mangroves
B. Kelps
C. Seagrasses
D. Cord grass
E. Surf grass
18. Marine flowering plants can be best differentiated from seaweeds by the fact that the marine flowering
plants:
A. Have smaller flowers
B. Must be covered by water at all times
C. Must reproduce in the water
D. Can only live along rivers near the coast
E. Reproduce by seeds
19. Salt-tolerant plants such as salt-marsh plants are called:
A. Mangroves
B. Angiosperms
C. Gametophytes
D. Halophytes
E. Sporophytes
20. Mangroves live in coastal waters that:
A. Are well protected from strong wave action
B. Have high salinity
C. Are located in temperate regions
D. Have high amounts of nutrients
E. Are rocky
6 Key
1. Seaweeds are included among the Protista. Some biologists, however, place them instead in the:
A. Kingdom Animalia
B. Kingdom Fungi
C. Kingdom Plantae
D. Prokaryotes
E. Seagrasses
Castro – Chapter 06 #1
2. Seaweeds and many bacteria are primary producers. In contrast to most of the bacteria that are
primary producers, however, all seaweeds:
A. Are photosynthetic
B. Are heterotrophic
C. Are prokaryotic
D. Have true leaves and roots
E. Are unicellular
Castro – Chapter 06 #2
3. Seaweeds can be best differentiated from the other algae because seaweeds:
A. Are eukaryotic
B. Are photosynthetic
C. Have true roots
D. Are mostly multicellular
E. Have true leaves
Castro – Chapter 06 #3
4. Seaweeds can be best differentiated from true plants because seaweeds:
A. Are photosynthetic
B. Are prokaryotic
C. Have no true roots, leaves, or stems
D. Have no chlorophyll
E. Are mostly unicellular
Castro – Chapter 06 #4
5. The root-like, anchoring structure of many seaweeds is called the:
A. Blade
B. Pneumatocyst
C. Thallus
D. Holdfast
E. Stipe
Castro – Chapter 06 #5
6. The thallus of a seaweed refers to its:
A. Anchoring structure
B. Gas-filled bladders
C. Stem-like part of the body
D. Complete body
E. Leaf-like structures, or blades
Castro – Chapter 06 #6
7. The stem-like structure of seaweeds such as kelp is called the:
A. Blade
B. Pneumatocyst
C. Stipe
D. Holdfast
E. Thallus
Castro – Chapter 06 #7
8. One of these groups of algae is found mostly in fresh water and on land, that is, only a small number is
actually marine:
A. Green algae
B. Brown algae
C. Kelps
D. Red algae
E. Coralline red algae
Castro – Chapter 06 #8
9. Green algae are characterized by:
A. Being mostly unicellular
B. Being mostly marine
C. Having chlorophyll plus red pigments
D. Having true roots
E. Having pigments similar to land plants
Castro – Chapter 06 #9
10. The most complex and largest of all the seaweeds is included among one of these groups:
A. Green algae
B. Brown algae
C. Coralline red algae
D. Calcareous green algae
E. Red algae
Castro – Chapter 06 #10
11. The Sargasso Sea is found in the:
A. Pacific Ocean
B. Black Sea
C. Indian Ocean
D. Atlantic Ocean
E. Arctic Ocean
Castro – Chapter 06 #11
12. Coralline red algae receive this name due to their ability to:
A. Emit light
B. Accumulate calcium carbonate
C. Be responsible for red tides
D. Live together with corals in coral reefs
E. Be parasites of other algae
Castro – Chapter 06 #12
13. The group of seaweeds with the largest number of species is the:
A. Green algae
B. Brown algae
C. Kelps
D. Red algae
E. Coralline algae
Castro – Chapter 06 #13
14. Encrusting algae are commonly found living:
A. In the plankton
B. On rocks
C. As parasites
D. As endophytes
E. On the water surface
Castro – Chapter 06 #14
15. Algin is a natural product extracted from seaweeds. It is used as:
A. An emulsifier in processed foods
B. A paper substitute
C. An insecticide
D. An explosive
E. An antibiotic
Castro – Chapter 06 #15
16. Reproduction in seaweeds can be very complex. It generally includes:
A. Only sexual reproduction
B. Only asexual reproduction
C. Both sexual and asexual reproduction
D. Only mitosis
E. Only meiosis
Castro – Chapter 06 #16
17. Marine flowering plants include all of the following except:
A. Mangroves
B. Kelps
C. Seagrasses
D. Cord grass
E. Surf grass
Castro – Chapter 06 #17
18. Marine flowering plants can be best differentiated from seaweeds by the fact that the marine flowering
plants:
A. Have smaller flowers
B. Must be covered by water at all times
C. Must reproduce in the water
D. Can only live along rivers near the coast
E. Reproduce by seeds
Castro – Chapter 06 #18
19. Salt-tolerant plants such as salt-marsh plants are called:
A. Mangroves
B. Angiosperms
C. Gametophytes
D. Halophytes
E. Sporophytes
Castro – Chapter 06 #19
20. Mangroves live in coastal waters that:
A. Are well protected from strong wave action
B. Have high salinity
C. Are located in temperate regions
D. Have high amounts of nutrients
E. Are rocky
Castro – Chapter 06 #20
6 Summary
Category # of Question
s
Castro – Chapter 06 20

chapter 7

7
Student: ___________________________________________________________________________
1. Animals, members of the kingdom Animalia, are characterized by all of the following except one:
A. Prokaryotic and eukaryotic
B. Mostly multicellular
C. Some are autotrophs
D. Lack a backbone
E. Eukaryotic and unicellular
2. Which of the following type of cells and structures of a sponge does not match the function?
A. Collar cells — calcareous structures for support
B. Osculum— opening through which water leaves
C. Pore cells — opening through which water enters
D. Spongin — fibers for support
E. Gametes — reproduction
3. All sponges share one of these features:
A. Marine
B. Reproduce by asexual reproduction only
C. Relatively simple but sophisticated nervous system
D. Nematocysts
E. Multicellular
4. Sponges and all filter feeders use the following as a food source:
A. Plankton only
B. All particulate matter suspended in water
C. Particulate matter that deposits on the bottom
D. Dead plankton only
E. Vegetable matter in the water
5. A larva is best defined as:
A. Immature stage that is able to reproduce
B. Early colony of cells of fresh-water sponges
C. Early stage of development of an organism, typically part of the plankton
D. Sperm cell that lives free in the water
E. Egg that has been fertilized by more that one sperm
6. All cnidarians share all of these features except one:
A. Nematocysts
B. Multicellular
C. Radial symmetry
D. Complete digestive tract with mouth and anus
E. Marine and fresh-water
7. An example of an anthozoan:
A. Portuguese-Man-of War
B. Colonial hydroid
C. Sea nettle jellyfish
D. Sea wasp
E. Reef coral
8. Most cnidarians are specialized as:
A. Filter feeders
B. Parasites
C. Carnivores
D. Plant-feeders
E. Feeders of organic matter on the bottom
9. Statocysts are structures used in:
A. Sensing balance
B. Capturing prey
C. Reproduction
D. Swimming movements
E. Digesting food
10. Comb jellies are:
A. Bilaterally symmetrical
B. Similar to a cnidarian polyp
C. Distinguished by eight bands of cilia
D. Colonial animals
E. Carnivores that use nematocysts to capture prey
11. In a bilaterally symmetrical animal, which of the following is not correctly paired?
A. Dorsal-upper surface
B. Anterior-head
C. Posterior-rear end
D. Ventral-brain
12. The development of bilateral symmetry in invertebrates has particularly influenced the evolution of a
more complex:
A. Digestive system
B. Reproductive system
C. Skeleton
D. Mouth
E. Nervous system
13. Flatworms are characterized by having:
A. Radial symmetry
B. A central nervous system
C. Tentacles used for filter feeding
D. Nematocysts
E. A complete digestive tract
14. One group of parasites of fishes, seabirds, and other marine animals:
A. Flukes
B. Turbellarians
C. Comb jellies
D. Ribbon worms
E. Segmented worms
15. The most distinctive feature of ribbon worms:
A. Long proboscis
B. Segmented body
C. Absence of a digestive tract
D. Long bands of cilia used in locomotion
E. Radial symmetry
16. Which of the following is not correctly paired?
A. Phylum Ctenophora-comb jellies
B. Phylum Nematoda-round worms
C. Phylum Nemertea-ribbon worms
D. Phylum Platyhelminthes-beard worms
E. Phylum Porifera-sponges
17. The trocophore is a:
A. Defensive structure
B. Larva
C. Planktonic cnidarian
D. Feeding structure
E. Filter-feeding worm
18. Deposit-feeding animals feed on:
A. Blood and living tissues
B. Particulate matter in the water
C. Plankton from the water that passively enters the digestive system
D. Live prey
E. Organic matter that settles on the bottom
19. Polychaete worms show:
A. A body covered with a mantle
B. Segmentation
C. Radial symmetry
D. Incomplete digestive tract
E. U-shaped gut
20. Beard worms are unique because they lack:
A. Symmetry
B. A skin
C. A digestive tract
D. Cells or tissues
E. A reproductive system
21. Arrow worms feed on:
A. Organic matter that deposits on the bottom
B. Plant matter
C. Nutrients dissolved in the water
D. Live prey
E. Organic matter filtered from the water
22. The basic characteristics of lophophorates include all of the following except:
A. U-shaped gut
B. Bilateral symmetry
C. Presence of nematocysts
D. Absence of segmentation
E. Presence of an anus
23. All molluscs:
A. Have a soft body often covered by a shell made of silica
B. Have a soft body covered by a mantle
C. Have an externally segmented body
D. Lack a larval stage
E. Lack a circulatory system
24. Which of the following are not correctly paired?
A. Class Gastropoda-mussels
B. Class Bivalvia-oysters
C. Class Polyplacophora-chitons
D. Class Cephalopoda-octopus
25. The radula and crystalline style of molluscs are part of the:
A. Reproductive system
B. Defensive mechanisms
C. Excretory system
D. Nervous system
E. Digestive system
26. Nudibranchs are members of which group of molluscs?
A. Cephalopods
B. Chitons
C. Bivalves
D. Gastropods
E. Tusk shells
27. One distinctive feature of arthropods:
A. Lack of a digestive system
B. Jointed legs
C. Gills in a mantle cavity
D. Proboscis used to capture prey
E. Lack of a brain
28. One of the following is not a crustacean:
A. Horseshoe crab
B. Copepods
C. Barnacles
D. Shrimps
E. Beach hoppers
29. One distinctive feature of all echinoderms:
A. Jointed legs
B. Gill slits
C. Endoskeleton
D. Water vascular system
E. Bilateral symmetry
30. Which of the following are not correctly paired?
A. Class Asteroidea-sea stars
B. Class Holothuroidea-sea cucumbers
C. Class Ophiuroidea-brittle stars
D. Class Echinoidea-feather stars
7 Key
1. Animals, members of the kingdom Animalia, are characterized by all of the following except one:
A. Prokaryotic and eukaryotic
B. Mostly multicellular
C. Some are autotrophs
D. Lack a backbone
E. Eukaryotic and unicellular
Castro – Chapter 07 #1
2. Which of the following type of cells and structures of a sponge does not match the function?
A. Collar cells — calcareous structures for support
B. Osculum— opening through which water leaves
C. Pore cells — opening through which water enters
D. Spongin — fibers for support
E. Gametes — reproduction
Castro – Chapter 07 #2
3. All sponges share one of these features:
A. Marine
B. Reproduce by asexual reproduction only
C. Relatively simple but sophisticated nervous system
D. Nematocysts
E. Multicellular
Castro – Chapter 07 #3
4. Sponges and all filter feeders use the following as a food source:
A. Plankton only
B. All particulate matter suspended in water
C. Particulate matter that deposits on the bottom
D. Dead plankton only
E. Vegetable matter in the water
Castro – Chapter 07 #4
5. A larva is best defined as:
A. Immature stage that is able to reproduce
B. Early colony of cells of fresh-water sponges
C. Early stage of development of an organism, typically part of the plankton
D. Sperm cell that lives free in the water
E. Egg that has been fertilized by more that one sperm
Castro – Chapter 07 #5
6. All cnidarians share all of these features except one:
A. Nematocysts
B. Multicellular
C. Radial symmetry
D. Complete digestive tract with mouth and anus
E. Marine and fresh-water
Castro – Chapter 07 #6
7. An example of an anthozoan:
A. Portuguese-Man-of War
B. Colonial hydroid
C. Sea nettle jellyfish
D. Sea wasp
E. Reef coral
Castro – Chapter 07 #7
8. Most cnidarians are specialized as:
A. Filter feeders
B. Parasites
C. Carnivores
D. Plant-feeders
E. Feeders of organic matter on the bottom
Castro – Chapter 07 #8
9. Statocysts are structures used in:
A. Sensing balance
B. Capturing prey
C. Reproduction
D. Swimming movements
E. Digesting food
Castro – Chapter 07 #9
10. Comb jellies are:
A. Bilaterally symmetrical
B. Similar to a cnidarian polyp
C. Distinguished by eight bands of cilia
D. Colonial animals
E. Carnivores that use nematocysts to capture prey
Castro – Chapter 07 #10
11. In a bilaterally symmetrical animal, which of the following is not correctly paired?
A. Dorsal-upper surface
B. Anterior-head
C. Posterior-rear end
D. Ventral-brain
Castro – Chapter 07 #11
12. The development of bilateral symmetry in invertebrates has particularly influenced the evolution of a
more complex:
A. Digestive system
B. Reproductive system
C. Skeleton
D. Mouth
E. Nervous system
Castro – Chapter 07 #12
13. Flatworms are characterized by having:
A. Radial symmetry
B. A central nervous system
C. Tentacles used for filter feeding
D. Nematocysts
E. A complete digestive tract
Castro – Chapter 07 #13
14. One group of parasites of fishes, seabirds, and other marine animals:
A. Flukes
B. Turbellarians
C. Comb jellies
D. Ribbon worms
E. Segmented worms
Castro – Chapter 07 #14
15. The most distinctive feature of ribbon worms:
A. Long proboscis
B. Segmented body
C. Absence of a digestive tract
D. Long bands of cilia used in locomotion
E. Radial symmetry
Castro – Chapter 07 #15
16. Which of the following is not correctly paired?
A. Phylum Ctenophora-comb jellies
B. Phylum Nematoda-round worms
C. Phylum Nemertea-ribbon worms
D. Phylum Platyhelminthes-beard worms
E. Phylum Porifera-sponges
Castro – Chapter 07 #16
17. The trocophore is a:
A. Defensive structure
B. Larva
C. Planktonic cnidarian
D. Feeding structure
E. Filter-feeding worm
Castro – Chapter 07 #17
18. Deposit-feeding animals feed on:
A. Blood and living tissues
B. Particulate matter in the water
C. Plankton from the water that passively enters the digestive system
D. Live prey
E. Organic matter that settles on the bottom
Castro – Chapter 07 #18
19. Polychaete worms show:
A. A body covered with a mantle
B. Segmentation
C. Radial symmetry
D. Incomplete digestive tract
E. U-shaped gut
Castro – Chapter 07 #19
20. Beard worms are unique because they lack:
A. Symmetry
B. A skin
C. A digestive tract
D. Cells or tissues
E. A reproductive system
Castro – Chapter 07 #20
21. Arrow worms feed on:
A. Organic matter that deposits on the bottom
B. Plant matter
C. Nutrients dissolved in the water
D. Live prey
E. Organic matter filtered from the water
Castro – Chapter 07 #21
22. The basic characteristics of lophophorates include all of the following except:
A. U-shaped gut
B. Bilateral symmetry
C. Presence of nematocysts
D. Absence of segmentation
E. Presence of an anus
Castro – Chapter 07 #22
23. All molluscs:
A. Have a soft body often covered by a shell made of silica
B. Have a soft body covered by a mantle
C. Have an externally segmented body
D. Lack a larval stage
E. Lack a circulatory system
Castro – Chapter 07 #23
24. Which of the following are not correctly paired?
A. Class Gastropoda-mussels
B. Class Bivalvia-oysters
C. Class Polyplacophora-chitons
D. Class Cephalopoda-octopus
Castro – Chapter 07 #24
25. The radula and crystalline style of molluscs are part of the:
A. Reproductive system
B. Defensive mechanisms
C. Excretory system
D. Nervous system
E. Digestive system
Castro – Chapter 07 #25
26. Nudibranchs are members of which group of molluscs?
A. Cephalopods
B. Chitons
C. Bivalves
D. Gastropods
E. Tusk shells
Castro – Chapter 07 #26
27. One distinctive feature of arthropods:
A. Lack of a digestive system
B. Jointed legs
C. Gills in a mantle cavity
D. Proboscis used to capture prey
E. Lack of a brain
Castro – Chapter 07 #27
28. One of the following is not a crustacean:
A. Horseshoe crab
B. Copepods
C. Barnacles
D. Shrimps
E. Beach hoppers
Castro – Chapter 07 #28
29. One distinctive feature of all echinoderms:
A. Jointed legs
B. Gill slits
C. Endoskeleton
D. Water vascular system
E. Bilateral symmetry
Castro – Chapter 07 #29
30. Which of the following are not correctly paired?
A. Class Asteroidea-sea stars
B. Class Holothuroidea-sea cucumbers
C. Class Ophiuroidea-brittle stars
D. Class Echinoidea-feather stars
Castro – Chapter 07 #30
7 Summary
Category # of Question
s
Castro – Chapter 07 30