Protists and Fungi — Unit test Answers

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1
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Which is the correct written form of the scientific name that uses the rules of binomial nomenclature?

A
Felis domesticus
B
Felis Domesticus
C
Felis domesticus
D
felis domesticus
2
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Consider the recent phylogenetic tree of five different organisms. Old classification systems based on physical characteristics would most likely disagree with the relationship between which two animals in the tree?

Question illustration
A
crocodiles and insects
B
bats and humans
C
birds and bats
D
humans and crocodiles
3

Which best explains why angiosperms are the most diverse and successful plant group today?

A
Reproduction is aided by flowers, protected seeds, and insect pollinators.
B
Water transport and photosynthesis are aided by vascular tissue.
C
Plant growth and increasing size are aided by a new way to distribute nutrients.
D
Reproduction is aided by exposed seeds and wind pollination.
4

Which level of organization falls directly after the tissue level when listed in order from least to most complex?

A
organelle
B
cell
C
organ system
D
organ
5

Scientists group organisms into kingdoms by looking at specific characteristics. Thermus aquaticus, shown below, is a specialized bacteria called a thermophile. Thermophiles are microorganisms that can live in bodies of water that are extremely hot, such as deep sea hydrothermal vents.Which characteristic most likely describes a mushroom but not Thermus aquaticus?

Question illustration
A
cell wall
B
eukaryotic
C
unicellular
D
prokaryotic
6

In what respect is a mycelium and a fruiting body similar?

A
Both are made of hyphae.
B
Both are found above the ground.
C
Both produce reproductive spores.
D
Both absorb nutrients underground.
7

The brain and spinal cord work together so the body can receive signals and react to the environment. What is the spinal cord?

A
a cell
B
a tissue
C
an organ
D
an organ system
8

Which organelle can be compared to a security guard who decides whom may enter a building and whom may not?

A
cell membrane
B
cytoplasm
C
endoplasmic reticulum
D
mitochondrion
9

Consider the classification levels of a human. EukaryaAnimaliaChordataMammaliaPrimatesHominidaeHomosapiensWhich is the most specific taxonomic level in the classification system above?

A
sapiens
B
Homo
C
Hominidae
D
Primates
10

Sal drew a diagram to compare vertebrates and invertebrates.

Question illustration
A
Are eukaryotic
B
Have an outer skeleton
C
Are heterotrophs
D
Have a backbone
11

The body obtains sugar from food. Which system most directly affects blood sugar levels?

A
respiratory
B
muscular
C
circulatory
D
digestive
12

Consider the plant cells in the image below.Which is a function of the cell structure that is labeled X?

Question illustration
A
It stores lipids.
B
It helps in cell metabolism.
C
It provides support.
D
It transports proteins.
13

Shannon is making a Venn diagram to organize the characteristics of cell walls and cell membranes. Which pair of characteristics both belong in the two areas of the Venn diagram that do not intersect?

A
helps with communication; contains mostly cellulose
B
contains mostly cellulose; forms the outer layer of animal cells
C
is found in plant cells; is found in animal cells
D
is semipermeable; found in animal cells
14

Beans, peaches, and tomatoes are all in the same group of plants. What do these plants have in common?

A
Their seeds do not have cotyledons.
B
They do not have vascular tissue.
C
Their seeds are not protected by fruit.
D
They bear flowers and seeds.
15

Which best describes the different modes of bacterial reproduction?

A
In genetic recombination, two new genetically identical cells are produced.
B
In conjugation, a special sex pilus is required to connect two bacterial cells.
C
In transduction, a bacterium exchanges a piece of its own DNA with another from the environment.
D
In transformation, bacterial DNA is transferred from one bacterium to another by a replicating virus.

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