Evolution Worksheet Template
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4Name: ______________________
Chapter 32 & 33 Review
____ 1 Which characteristic below is shared by plants, fungi, and animals?
A
They all have cell walls.
B
All are multicellular eukaryotes.
C
All release exoenzymes to aid in digestion.
D
All have intracellular junctions known as desmosomes.
____ 2 Animals probably evolved from colonial protists. How do animals differ from these protist ancestors?
A
The protists were autotrophic.
B
Animals are able to reproduce.
C
The protists were heterotrophic.
D
Animals have more specialized cells.
____ 3 During the development of most animals, cleavage leads to
A
fertilization.
B
metamorphosis.
C
the formation of a blastula.
D
the formation of a gastrula.
____ 4 Which example below is a common feature of all animals?
A
true tissues
B
bilateral symmetry
C
limited to sexual reproduction
D
a homeobox-containing family of genes called Hox genes
____ 5 Which example below is NOT a current hypothesis regarding the Cambrian explosion?
A
Predator-prey relationships led to diversity through natural selection.
B
Evolution of the Hox gene complex provided developmental flexibility.
C
A rise in atmospheric oxygen led to success of large animals with high metabolic rates.
D
An increase in atmospheric CO2 led to an explosion of plants and life-forms that fed on them.
____ 6 Symmetry is one of the most basic characteristics of animals. The group that has a different symmetry from the
other three groups listed here is the
A
annelids.
B
molluscs.
C
cnidarians.
D
arthropods.
____ 7 Which of the following is associated with bilateral symmetry?
A
cephalization
B
no mesoderm
C
a sessile lifestyle
D
a lack of true tissues
____ 8 Unlike other animals, sponges
A
are unicellular.
B
lack true tissues.
C
possess cell walls.
D
exhibit bilateral symmetry.
____ 9 Ectoderm can give rise to _____; mesoderm can give rise to _____; endoderm can give rise to _____.
A
the central nervous system ... muscle ... the lining of the digestive tube
B
muscle ... the outer covering of the animal ... the central nervous system
C
the lining of the digestive tract ... muscle ... the outer covering of the animal
D
the central nervous system ... the outer covering of the animal ... the lining of the digestive tube
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