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Chapter 32 Introduction to Animals Flashcards | StudBud
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Chapter 32 Introduction to Animals
Chapter 32 Introduction to Animals
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# invertebrates/vertebrates
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
A major difference between the development of invertebrates & vertebrates is that .....
Vertebrates have larvae while invertebrates do not
Invertebrates have yoked eggs, while vertebrates do not
Vertebrates do indirect/ Invertebrates do directdevelopment
Invertebrates do indirect development/ vertebrates direct
2
The_____ is a fluid filled cavity that is surrounded by mesoderm.
Gut
Appendage
Coelom
Mesoderm
3
Which of the following is only found in animals?
heterotrophy
muscle tissue and nervous tissue
the ability to move
sexual reproduction
4
Cephalization …....
results when the brain does not develop properly
is a feature of most invertebrates, including sponges.
occurs in marine protozoa
has sensory and brain structures in the anterior end
5
As an animal develops, the ectoderm becomes the....
muscle tissue
skin and nervous system
heart
tissue that lines the body cavity
6
2 deuterostome phyla are......
arthropods and chordates
cnidarians and sponges
echinoderms and chordates
annelids and ctenophores
7
In sponges, digestion occurs......
in a central cavity with a single opening
in individual cells
outside the animal's body
in a gut
8
What type of symmetry does a sea anemone have?
bilateral symmetry
everse symmetry
no symmetry
radial symmetry
9
Which of the following displays radial symmetry?
a cnidarian
a flatworm
an annelid
a chordate
10
All animals are ______ which allows them to become larger than unicellular organisms.
Vertebrates
Autotrophic
Unicellular
Multicellular
11
Animals with a closed circulatory system, blood is pumped by the heart through the body in ___.
Coelom
Cavity
Vessel
Gills
12
Many animals have a head at the ___ end of their body and a tail the ___ end of their body.
anterior; posterior
dorsal; ventral
ventral; dorsal
posterior; anterior
13
Which is
NOT
a characteristic of the largest phylum of invertebrates(Arthropods)
segmentation
digestive tract
exoskeleton
closed circulatory system
14
Which is an
incorrect
match?
mesoderm- skeletal system
ectoderm- nervous system
endoderm- digestive system
endoderm- muscular system
15
During which
of the following
stage
s of animal development are the germ layers formed?
gastrulation
fertilization
organ formation
cleavage
16
An organism with no body cavity has which organization?
Acoelomate
Youramate
Coelomate
Pseudocoelomate
17
Symmetrical phyla include all of the following except....
mollusks
sponges
arthropods
chordates
18
Modern organisms that are thought to resemble the earliest animals are....
colonial protists
bacteria
unicellular protozoans
plants
19
sponges don’t have body parts that grow around a point or line as other animals, they lack ____
specialization
Symmetry
Reproduction
cells
20
Animals probably evolved from....
plants
heterotrophic protists
None of the above
photosynthetic protists
21
At some stage of their development, all chordates have this
flexible rod of tissue
on backside
notochord
None of these
spinal cord
pharynx
22
A group of similar cells organized into a functional unit is called...….
a specialized cell
a nervous system
a tissue
an organ
23
A butterfly has what type of symmetry?
radial symmetry
no symmetry
reverse symmetry
bilateral symmetry
24
Humans have which type of bodycavity?
Coelomate
Acoelomate
Pseudocoelomate
Whatsupmate
25
Specialized cells....
Are found only in chordates and echinoderms.
always operate independently of all other cells.
Do tasks more effectively than cells that do many tasks
All of the above.
26
All members of the kingdom Animalia...
all of the above
are heterotrophs
are multicellular
have cells without cell walls
27
Which of the following is found in vertebrates but not in invertebrates?
coelom
bilateral symmetry
3 germ layers
a dorsal nerve cord
28
Which is not a function of the body cavity?
Acts as a medium for the transport of nutrients and wastes.
It provides a firm structure against which muscles contract.
Gives rise to germ layers
It aids freedom of movement.
29
The
tail
of a fish is located on what side of its body?
ventral
posterior
dorsal
anterior
30
The concentration of sensory receptors ina head is called.....
Segmentation
Cephalization
Gastrulation
Bilateral
31
Which of the following animals is a deuterostome?
annelid
mollusk
arthropod
chordate
32
Terrestrial vertebrates have a(n) ______ that provides internal structural support for the body
Cartilage
Exoskeleton
Endoskeleton
Gut
33
During cleavage, the dividing cells become progressively _____.
Simpler
Smaller
Heterotrophic
Larger
34
Which of the following is
not
a vertebrate adaptation to life on land?
internal fertilization
endoskeleton
lungs
brain
35
A characteristic shared by ALL chordates at some stage of development....
All of the above
a dorsal nerve cord
a notochord
pharyngeal pouches
