Exam 7 SC160
Question 1 (5 points)
What characteristic is unique to echinoderms?
Question 1 options:
A lack of segmentation
A water vascular system
Suction-cup-like feet
Larvae with bilateral symmetry
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Question 2 (5 points)
Rays are a type of:
Question 2 options:
tunicate.
cartilaginous fish.
jawless fish.
bony fish.
Save
Question 3 (5 points)
Nearly all __________ are aquatic.
Question 3 options:
crustaceans
arachnids
flatworms
roundworms
Save
Question 4 (5 points)
Unique features of vertebrates include the presence of a(n):
Question 4 options:
endoskeleton.
notochord.
skull and backbone.
pharyngeal slit.
Save
Question 5 (5 points)
Why are bryophytes considered incompletely liberated from their ancestral aquatic habitat?
Question 5 options:
Their embryos do not develop within gametangia.
Their sperm are flagellated.
The gametophyte generation is dominant.
They lack a cuticle.
Save
Question 6 (5 points)
The first hominid to spread beyond Africa was:
Question 6 options:
"Lucy".
<i>Australopithecus afarensis.</i>
<i>Homo erectus.</i>
<i>Homo neanderthalensis.</i>
Save
Question 7 (5 points)
How do New World monkeys differ from Old World monkeys?
Question 7 options:
New World monkeys have a prehensile tail.
New World monkeys have enhanced depth perception.
Old World monkeys are arboreal.
New World monkeys have nails; Old World monkeys have claws.
Save
Question 8 (5 points)
What important role do fungi play in many ecosystems?
Question 8 options:
They decompose organic material.
They pollinate plants.
They disperse the fruits of angiosperms.
They perform photosynthesis
Save
Question 9 (5 points)
The function of a mushroom is to:
Question 9 options:
produce seeds.
store nutrients.
produce spores.
absorb food.
Save
Question 10 (5 points)
The mobile stage of the cnidarian life cycle is the __________ stage.
Question 10 options:
instar
polyp
tadpole
medusa
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Question 11 (5 points)
__________, a chemical that hardens cell walls and supports terrestrial plants, is found in all plants EXCEPT __________.
Question 11 options:
Lignin; bryophytes
Cellulose; bryophytes
Calcium carbonate; ferns
Lignin; ferns and bryophytes
Save
Question 12 (5 points)
Like plants, fungi have __________; however, in plants they are composed of __________, whereas in fungi they are composed of __________.
Question 12 options:
cell walls; cellulose; chitin
cell walls; cellulose; peptidoglycan
cell membranes; phospholipids; peptidoglycan
cell walls; phospholipids; cellulose
Save
Question 13 (5 points)
Which of these human characteristics evolved first?
Question 13 options:
Enlarged brain
Erect posture
Language
Loss of body hair
Save
Question 14 (5 points)
What is this organism?
Question 14 options:
Fern
Fungus
Bryophyte
Gymnosperm
Save
Question 15 (5 points)
Which of these adaptations to a terrestrial existence evolved most recently?
Question 15 options:
Vascular tissue
Seeds
Gametangia
Cuticle
Save
Question 16 (5 points)
Why are ferns considered incompletely adapted to the terrestrial environment, when compared with other plants?
Question 16 options:
They lack vascular tissue.
Their sperm are flagellated.
The gametophyte generation is dominant.
They lack gametangia.
Save
Question 17 (5 points)
A true coelom is:
Question 17 options:
completely lined with tissue derived from endoderm.
completely lined with tissue derived from mesoderm.
formed when a zygote develops into a blastula.
completely lined with tissue derived from ectoderm.
Save
Question 18 (5 points)
What are hyphae?
Question 18 options:
Symbiotic associations between plant roots and fungi
Threadlike filaments that make up fungal bodies
Fungal reproductive structures
Fungal spores
Save
Question 19 (5 points)
Where did humans first appear?
Question 19 options:
South America
Africa
Asia
Europe
Save
Question 20 (5 points)
Annelids are most closely related to:
Question 20 options:
chordates.
arthropods. (Incorrect)
molluscs.
echinoderms.
Question 1 (5 points)
What characteristic is unique to echinoderms?
Question 1 options:
A lack of segmentation
A water vascular system
Suction-cup-like feet
Larvae with bilateral symmetry
Save
Question 2 (5 points)
Rays are a type of:
Question 2 options:
tunicate.
cartilaginous fish.
jawless fish.
bony fish.
Save
Question 3 (5 points)
Nearly all __________ are aquatic.
Question 3 options:
crustaceans
arachnids
flatworms
roundworms
Save
Question 4 (5 points)
Unique features of vertebrates include the presence of a(n):
Question 4 options:
endoskeleton.
notochord.
skull and backbone.
pharyngeal slit.
Save
Question 5 (5 points)
Why are bryophytes considered incompletely liberated from their ancestral aquatic habitat?
Question 5 options:
Their embryos do not develop within gametangia.
Their sperm are flagellated.
The gametophyte generation is dominant.
They lack a cuticle.
Save
Question 6 (5 points)
The first hominid to spread beyond Africa was:
Question 6 options:
"Lucy".
<i>Australopithecus afarensis.</i>
<i>Homo erectus.</i>
<i>Homo neanderthalensis.</i>
Save
Question 7 (5 points)
How do New World monkeys differ from Old World monkeys?
Question 7 options:
New World monkeys have a prehensile tail.
New World monkeys have enhanced depth perception.
Old World monkeys are arboreal.
New World monkeys have nails; Old World monkeys have claws.
Save
Question 8 (5 points)
What important role do fungi play in many ecosystems?
Question 8 options:
They decompose organic material.
They pollinate plants.
They disperse the fruits of angiosperms.
They perform photosynthesis
Save
Question 9 (5 points)
The function of a mushroom is to:
Question 9 options:
produce seeds.
store nutrients.
produce spores.
absorb food.
Save
Question 10 (5 points)
The mobile stage of the cnidarian life cycle is the __________ stage.
Question 10 options:
instar
polyp
tadpole
medusa
Save
Question 11 (5 points)
__________, a chemical that hardens cell walls and supports terrestrial plants, is found in all plants EXCEPT __________.
Question 11 options:
Lignin; bryophytes
Cellulose; bryophytes
Calcium carbonate; ferns
Lignin; ferns and bryophytes
Save
Question 12 (5 points)
Like plants, fungi have __________; however, in plants they are composed of __________, whereas in fungi they are composed of __________.
Question 12 options:
cell walls; cellulose; chitin
cell walls; cellulose; peptidoglycan
cell membranes; phospholipids; peptidoglycan
cell walls; phospholipids; cellulose
Save
Question 13 (5 points)
Which of these human characteristics evolved first?
Question 13 options:
Enlarged brain
Erect posture
Language
Loss of body hair
Save
Question 14 (5 points)
What is this organism?
Question 14 options:
Fern
Fungus
Bryophyte
Gymnosperm
Save
Question 15 (5 points)
Which of these adaptations to a terrestrial existence evolved most recently?
Question 15 options:
Vascular tissue
Seeds
Gametangia
Cuticle
Save
Question 16 (5 points)
Why are ferns considered incompletely adapted to the terrestrial environment, when compared with other plants?
Question 16 options:
They lack vascular tissue.
Their sperm are flagellated.
The gametophyte generation is dominant.
They lack gametangia.
Save
Question 17 (5 points)
A true coelom is:
Question 17 options:
completely lined with tissue derived from endoderm.
completely lined with tissue derived from mesoderm.
formed when a zygote develops into a blastula.
completely lined with tissue derived from ectoderm.
Save
Question 18 (5 points)
What are hyphae?
Question 18 options:
Symbiotic associations between plant roots and fungi
Threadlike filaments that make up fungal bodies
Fungal reproductive structures
Fungal spores
Save
Question 19 (5 points)
Where did humans first appear?
Question 19 options:
South America
Africa
Asia
Europe
Save
Question 20 (5 points)
Annelids are most closely related to:
Question 20 options:
chordates.
arthropods. (Incorrect)
molluscs.
echinoderms.
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