Biology 1421-Rast

54 terms by mari000

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Test 3

Which of the following is NOT a characteristic of animals?

a) utilizing sexual reproduction
b) cells are eukaryotic
c) multicellular
d) possessing tissues and organs
e) cellulose cell wall surrounding each cell

e) cellulose cell wall surrounding each cell

One trend in the evlution of animals is the increase in the number of tissue (germ) layers that can be seen during embryonic development. In flatworms and more complex animals, there are ______ layers.

a) 2
b) 3
c) 4
d) 6
e) 5

b) 3

Which of the following animal phyla is distinguised by a lack of tissues?

a) echinoderms
b) flatworms
c) annelids
d) roundworms
e) sponges

e) sponges

Between the organs and the body wall, complex animals have a body cavity called a

a) cnidarian
b) mesoderm
c) mesoglea
d) coelom
e) thorax

d) coelom

Which of the following features is absent in lancelets?

a) a nerve cord
b) a backbone
c) a notochord
d) gill slits
e) a tail

b) backbone

Phylum Chordata includes all these EXCEPT

a) birds
b) amphibians
c) squids
d) fish
e) mammals

c) squids

Class Chondichthyes includes

a) sharks
b) lampreys
c) all fish
d) frogs
e) whales

a) sharks

An animal's ability to live successfully on land is most increased by__________.

a) development in a shelled egg
b) gills
c) external fertilization
d) a two-chambered heart
e) moist skin used for gas exchange

a) development in a shelled egg

The common ancestor of sponges and other animals was probably

a) unicellular
b) multicellular without tissues
c) multicellular with tissues, but without organs
d) multicellular with tissues, and with a few organ systems
e) multicellular with tissues, and with many organ systems

b) multicellular without tissues

Which of the following characteristics is associated with all animals that are bilaterally symmetrical at some point of the life cycle?

a) lack of organs
b) gastrovascular cavity
c) coelom
d) mesoderm
e) cephalization

d) mesoderm or e) cephalization

All chordates have (a)__________ at some point of their life.

a) ventral, hollow nerve cord
b) bony endoskeleton
c) post-anal tail
d) backbone
e) gills

c) post-anal tail

Which of these groups is characterized by having a true coelom?

a) sponges
b) cnidarians
c) arthropods
d) flatworms
e) roundworms

c) arthropods

The Trichinella worm, which causes trichinosis, is a(n)___________.

a) annelid
b) platyhelminth
c) nematode
d) tapeworm
e) leech

c) nematode

The taxonomic group containing the larges and most intelligent invertebrates is

a) Cephalopoda
b) Gastropoda
c) Chordata
d) Aves
e) Echinodermata

a) Cephalopoda

The animals most like the ancestral protozoan colonies that likely gave rise to animals are:

a) sponges
b) mollusks
c) arthropods
d) cnidarians
e) chordates

a) sponges

Radially symmetrical animal that has two embryonic tissue layers probably belongs to which phylum?

a) Porifera
b) Cnidaria
c) Platyhelminthes
d) Nematoda
e) Echinodermata

b) Cnidaria

The dominant animal phylum in terms of diversity and richness is

a) Annelida
b) Arthropoda
c) Nematoda
d) Echinodermata
e) Chordata

b) Arthropoda

Which of the following has a ventral nerve cord?

a) earthworm
b) shark
c) coelacanth
d) frog
e) hummingbird

a) earthworm

Lancelet characteristics include

a) posses a nerve chord and brain
b) have segmented muscles
c) are filter feeders
d) have a notochord all their life
e) all of these

e) all of these

A lamprey is a(n) ____________.

a) bony fish
b) cartilaginous fish
c) jawless fish
d) amphibian
e) invertebrate chordate

c) jawless fish

Reptiles differ from amphibians by

a) their large size
b) their three-chambered heart
c) internal fertilization
d) the possession of a slimy skin
e) undergoing metamorphosis

c) internal fertilization

Reptilian embryos will not dry out in a desert habitat because __________.

a) reptiles produce lots of defensive slime
b) reptiles' eggs are protected by a jellylike coating
c) the placenta facilitates gas exchange between the mother and the embryo
d) reptiles produce shelled amniote eggs
e) reptiles are endothermic

d) reptiles produce shelled amniote eggs

Birds are now included in the _____ phylum, which they resemble in having scales on their legs and a number of the same internal organs.

a) marsupial
b) tunicate
c) lancelet
d) reptile
e) rays

d) reptile

The high body temperature of birds and mammals is due to __________.

a) conversion of energy to heat during metabolism
b) the fur that insulates them
c) the presence of sweat, scent and sebaceous glands
d) the exchange of gases and nutrients via the placenta
e) behaviors of basking in the sun or seeking shade

a) conservation of energy to heat during metabolism

_________ are arachnids.

a) Scorpions
b) Clams
c) Grasshoppers
d) Sponges
e) Earthworms

a) scorpions

Jellyfish are most closely related to which group?

a) flatworms
b) oysters
c) corals
d) sponges
e) barnacles

c) corals

A radula is present in members of which class of mollusks?

a) chitons
b) bivalves
c) cephalopods
d) gastropods
e) barnacles

d) gastropods

Which molluscan class includes organisms that are primarily suspensions (filter) feeders?

a) chitons
b) nautilus
c) gastropods
d) cephalopods
e) bivalves

e) bivalves

The water-vascular system of echinoderms is used for

a) locomotion and respiration
b) food capture
c) transport of blood
d) A and B
e) all of the above

d) A and B

Animals with a gastrovascular cavity do not have a(n) __________.

a) anus
b) circulatory system
c) body cavity
d) respiratory system
e) all of the above

e) all of the above

Cephalization in the animal kingdom refers to

a) the ability to rapidly respond to external stimuli
b) concentration of sensory structures in the head
c) development of a body which has paired structures that form a side-to-side mirror image
d) evolutionary development of a net-like system of veins
e) development of eyes at the anterior end

b) concentration of sensory structures in the head

Of all of the invertebrate phyla, only member of this phylum can fly.

a) Arthropoda
b) Cnidaria
c) Platyhelminthes
d) Annelida
e) Nematoda

a) Arthropoda

All chordates have (a)_________.

a) ventral, hollow nerve cord
b) bony endoskeleton
c) post-anal tail
d) backbone
e) gills

c) post-anal tail

Which of the following features do humans share with other chordates?

a) Humans develop a notochord in early development.
b) Humans have a nerve cord.
c) Humans devlop gill slits in early development.
d) Humans possess a tail in early development.
e) Humans have all of these features.

e) Humans have all of these features

Phylum Chordata includes all of these EXCEPT

a) fish
b) birds
c) amphibians
d) squids
e) mammals

d) squids

Swim bladders are present in

a) marine mammals
b) lobe-finned fishes
c) jawless fishes
d) ray-finned fishes
e) cartilaginous fishes
A fish with fins containing

d) ray-finned fishes

A fish with fins containing rod-shaped bones surrounded by muscle is a(n)

a) lobed-finned fish
b) shark
c) lamprey
d) ray-finned fish
e) hagfish

a) lobe-finned fish

The vulnerability of these semi-terrestrial chordates to both water and air pollutants may be the cause of their dramatic decline in numbers.
a) amphibians
b) arthropods
c) annelids
d) lung fish
e) reptiles

a) amphibians

Reptiles are better adapted to land dwelling than amphibians because of their __________.

a) two-chambered heart
b) moist skin used as a respiratory structure
c) lungs with greater surface area for gas exchange
d) embryo's uterine development
e) shelled amniote eggs

e) shelled amniote eggs

Which characteristic do birds share with mammals?

a) a single ovary in females
b) mammary glands
c) a four-chambered heart
d) sweat glands
e) hollow bones

c) a four-chambered heart

Monotremes differ from other mammals in that they

a) do not produce milk
b) lay eggs
c) have a four-chambered heart
d) have hair
e) have nipples

b) lay eggs

Which of the following is a shared characteristic of all chordates?

a) scales
b) jaws
c) vetertabrae
d) dorsal, hollow nerve cord
e) four-chambered heart

d) dorsal, hollow nerve cord

Chordate pharyngeal slits appear to have functioned first as

a) the digestive system's opening
b) filter-feeding devices
c) components of the jaw
d) gill slits for respiration
e) portions of the inner ear

d) gill slits for respiration

Hagfish differ from lampreys in

a) lacking jaws
b) having a cranium
c) having pharyngeal clefts that develop into pharyngeal slits
d) having a notochord throughout life
e) having no skeleton to surround and protect the nerve cord

e) having no skeleton to surround and protect the nerve cord

The heartworms that can accumulate within the hearts of dogs and other mammals have a pseudocoelom, a digestive tract, and an outer covering that is occasionally shed. To which phylum does the heartworm belong?

a) Platyhelminthes
b) Arthropoda
c) Nematoda
d) Arachnid
e) Annelida

c) Nematoda

They phylum Arthropoda is unique among the invertebrates, in possessing members that have

a) a cuticle
b) a ventral nerve cord
c) open circulation
d) wings
e) segmented bodies

d) wings

A small animal with eight legs crawling up your bedroom wall also has

a) antennae
b) no antennae
c) chelicerae
d) a and c
e) b and c

b) no antennae

A worm-like, segmented animal with two pairs of jointed legs per segment is probably a

a) millipede
b) caterpillar
c) centipede
d) polychaete worm
e) sow bug

a) millipede

Which of the following animal groups is entirely aquatic?

a) Mollusca
b) Crustacea
c) Echindermata
d) Arthropoda
e) Annelida

a) Mollusca

Protostomes that have an open circulatory system and an exoskeleton of chitin are part of which phylum?

a) Cnidaria
b) Annelida
c) Mollusca
d) Arthropoda
e) Echinodermata

d) Arthropoda

Which of the following phyla includes deuterostomes that have an endoskeleton?

a) Cnidaria
b) Annelida
c) Mollusca
d) Arthropoda
e) Echinodermata

e) Echinodermata

A "sea squirt" is

a) an invertbrate
b) a lancelet
c) a jawless fish
d) a parasite of fish
e) cartilaginous

a) an invertebrate

Which of these is not considered an amniote?

a) amphibians
b) nonbird reptiles
c) birds
d) egg-laying mammals
e) placental mammals

a) amphibians

Which are the most abundant and diverse of existing vertebrates?

a) ray-finned fishes
b) birds
c) amphibians
d) nonbird reptiles
e) mammals

a) ray-finned fishes

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