Building Blocks of Life Answers

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How did Linnaeus improve the classification of organisms?

A
He created a way of naming organisms based on genus and species.
B
He began grouping animals based on the places they live.
C
He suggested a third domain to classify new types of organisms.
D
He introduced a new kingdom to include different kinds of bacteria.
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Why is it important to classify living organisms?

A
The DNA of organisms may be more easily analyzed.
B
Organisms may survive longer if they are classified.
C
Scientists may study and discuss organisms more easily.
D
Classifying is needed before scientists may make observations.
4

How many groups did Aristotle use to divide all of the organisms in the world?

A
1
B
2
C
3
D
4
5

Which scientist created the most modern classification hierarchy that we use today?

A
Aristotle
B
Linnaeus
C
Woese
D
Whittaker
6

Julio is studying the bald eagle, which has a binomial name of Haliaeetus leucocephalus. Using the modern system of classification, which statements can Julio make about the eagles?

A
The kingdom is Animals.The genus is leucocephalus.The species is Haliaeetus.
B
The domain is Animals.The genus is leucocephalus.The species is Haliaeetus.
C
The kingdom is Animals.The genus is Haliaeetus.The species is leucocephalus.
D
The domain is Animals.The genus is Haliaeetus.The species is leucocephalus.
7

A student drew this diagram of Woese’s modern system of classification.

Question illustration
A
The top level is missing.
B
The class and order levels are switched.
C
The bottom level is missing.
D
The kingdom and family levels are switched.
8

FungiMoneransBacteriaAlgae

A
Fungi
B
Monerans
C
Bacteria
D
Algae
9

Which statement best summarizes how classification systems have changed over time?

A
Classification systems have become simpler to allow for all the discoveries made about organisms.
B
Classification systems have become more complex to allow for all the discoveries made about organisms.
C
Classification systems have become simpler to match the increased population sizes of organisms.
D
Classification systems have the become more complex to match the increased population sizes of organisms.
10

How many kingdoms are in the modern system of classification?

A
2
B
6
C
8
D
15

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Building Blocks of Life Answers — 2026 Summer…