AnswersSLPS-2001310-EarthSpace B -GFClassification of Living Things

Classification of Living Things — Cumulative exam Answers

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Which tools are currently used to collect images during space exploration?

A
rovers and satellites
B
satellites and rockets
C
rockets and space shuttles
D
space shuttles and rovers
2
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Consider how to complete this timeline to show the order in which different evolutionary ideas were developed.

Question illustration
A
Z, X, Y
B
Y, Z, W
C
W, X, Z
D
Y, Z, X
3

To study for a test, Ally created this table summarizing the characteristics of the six kingdoms:What should Ally put in X and Y?

Question illustration
A
X: mostly multicellular, nucleus, eat dead or decaying organismsY: multicellular, nucleus, consume food
B
X: unicellular, cell wall, no nucleus, moderate conditionsY: mostly unicellular, nucleus, make or consume food
C
X: mostly unicellular, nucleus, make or consume foodY: mostly multicellular, nucleus, eat dead or decaying organisms
D
X: unicellular, cell wall, no nucleus, extreme conditionsY: multicellular, nucleus, consume food
4

Observable matter makes up about what percentage of the universe?

A
5%
B
10%
C
50%
D
95%
5

What was discovered in 1965 and is believed to be leftover thermal energy from the big bang?

A
red shift
B
the Eagle Nebula
C
the Doppler effect
D
background radiation
6

Which describes radioactive decay of a substance?

A
More of the radioactivity is lost during the first half-life than in later half-lives.
B
More of the radioactivity is lost during the fourth half-life than in the first half-life.
C
Isotopes are the most stable during the first half-life.
D
Isotopes are the least stable during the later half-lives.
7

Which characteristic of potassium makes it useful for dating rocks?

A
It has a long half-life.
B
It decays at an unknown rate.
C
It produces lead as it breaks down.
D
It can be used to date all types of rock.
8

Which best describes fusion nuclear reactors?

A
They use rods containing uranium for fuel.
B
They are currently used for electricity in several highly populated countries.
C
They are used in some naval vessels, such as submarines.
D
They have been successful, but they are very expensive to operate.
9

Which example best demonstrates the importance of having knowledge of evolutionary relationships?

A
illustration of a plant leaf
B
organ transplantation between species
C
blood donation from a human to a human
D
DNA sequence of an insect
10

Solar winds have an influence all the way to about 160 AU from the Sun. About how many kilometers is that?

A
24,000,000,000 km
B
48,000,000,000 km
C
240,000,000,000 km
D
480,000,000,000 km
11

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
12

Which formula can be used to find the centripetal acceleration of an orbiting object?

A
ac =
Option A
B
ac =
Option B
C
ac =
Option C
D
ac =
Option D
13

Lori attended a lecture about the Sun, and the presenter had placed this image on the wall. Which layer of the Sun could this image be referring to?

Question illustration
A
the convection zone, because it shows how energy moves in a convection current
B
the radiation zone, because it shows how energy is transferred through radiation
C
the core, because it shows how the Sun creates energy through the process of nuclear fusion
D
the chromosphere, because it shows how energy is emitted by the atmosphere of the Sun
14

What is the study of the spectra produced from the emission and absorption of electromagnetic radiation?

A
study of absorption spectrums
B
study of emission spectrum
C
nanotechnology
D
spectroscopy
15

What is most likely to happen to a population of mice that becomes isolated on an island?

A
Many different species will form as they evolve and fill different niches on the island.
B
The population of mice will adapt to life on the island but will still be able to breed with the mainland population.
C
Many different species that are capable of breeding with each other will form.
D
The population of mice will evolve into a new species of mouse that is adapted to all the different niches that are found on the island.
16

What will happen to the frequency of the recessive allele for the HbS gene when there is an outbreak of malaria?

A
The frequency will increase.
B
The frequency will decrease.
C
The frequency will remain constant.
D
It is impossible to predict how the allele frequency will change.
E
The frequency will be cut in half with each generation.
17

During natural selection, which organisms are most likely to survive as the environment changes?

A
ones that can best adapt to and survive in the changed environment
B
ones that can adapt to the original environment
C
ones that are randomly selected for survival independent of the environment
D
ones that are randomly selected for survival in the changed environment
18

Which is an example of the strong force in action?

A
A battery-powered radio produces sound.
B
A magnet keeps a cabinet door closed.
C
The Sun pulls on Earth as Earth moves around the Sun.
D
The protons in the nucleus of a carbon atom are held together.
19

Several butterflies within a large population have wings with large dots on them. This wing pattern warns predators not to eat the butterflies.

A
favorable adaptation, which is one condition required for natural selection
B
unfavorable adaptation, which is passed on to offspring in all cases
C
favorable adaptation, which is passed on to offspring in very few cases
D
unfavorable adaptation, which is not a condition for natural selection
20

Which domain contains the most kingdoms?

A
Bacteria
B
Archaea
C
Eukarya
D
Protists

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