Body Organization Answers

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21
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What would happen to a bacterial cell if its protective covering was destroyed?

A
It would be better protected from the outside environment.
B
It would be able to take in materials more easily.
C
It would be harmed by chemicals in the environment.
D
It would reproduce more slowly.
22
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Which statement best defines a protist?

A
an organism that reproduces by spores and feeds on decaying matter
B
a eukaryote that is either animal-like, plant-like, or fungus-like
C
a foot-like extension that is used for eating and movement
D
a long, whip-like extension that is used for movement
26

What is the main function of a fungus’s hyphae?

A
absorption of nutrients
B
movement in water
C
predator protection
D
photosynthesis
27

Some protists form long, foot-like projections of their cell membrane and cytoplasm that are used for movement and to capture food. What is the name of these structures?

A
cilia
B
flagella
C
mycelia
D
pseudopods
28

Which evolutionary adaptations helped plants succeed and spread on land?

A
vascular tissue and seeds
B
spores and pine cones
C
small size and small seeds
D
cotyledons and nonvascular tissue
29

Which best explains the evolution of gymnosperm plants?

A
They evolved at the same time as monocots and dicots.
B
They evolved after the seeded flowering plants.
C
They evolved after the seedless vascular plants.
D
They evolved before the seedless nonvascular plants.
31

Which fungi group is known as the zygote fungi and produces spores in zygosporangia?

A
Ascomycota
B
Basidiomycota
C
Zygomycota
D
Chytridiomycota
32

Which evidence did Carl Linnaeus use to classify organisms?

A
physical characteristics
B
evolutionary history
C
physical characteristics and evolutionary history
D
physical characteristics, genetics, and evolutionary history
33

Which of the following lists the order of taxonomic levels from the largest to the smallest group?

A
domain, kingdom, class, order, family, phylum, genus, species
B
species, genus, family, order, class, phylum, kingdom, domain
C
class, family, order, domain, kingdom, phylum, genus, species
D
domain, kingdom, phylum, class, order, family, genus, species

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