Florida Science Grade 6

Section 3: Where does life come from?

Where does life come from?

1.
Which scientist's work led to the theory of biogenesis?
A)Louis Pasteur
B)Carolus Linnaeus
C)Edward Jenner
D)Gregor Mendel
2.
The theory that supposes that living things came from nonliving things is __________.
A)biogenesis
B)spontaneous generation
C)phylogeny
D)mitosis
3.
Which person devised an animal classification system 2,000 years ago?
A)Urey
B)LaMarck
C)Pasteur
D)Aristotle
4.
When a scientist classifies a newly discovered plant, its __________ is studied.
A)biogenesis
B)phylogeny
C)variable
D)transpiration
5.
Which person developed a system of organism classification in use today?
A)Oparin
B)Einstein
C)Linnaeus
D)Marconi
6.
Which category is the largest in the organism classification system?
A)a species
B)a genus
C)a hierarchy
D)a kingdom
7.
The first word in a two-word name of an organism identifies its __________.
A)habitat
B)species
C)genus
D)color
8.
A system used to name species is __________.
A)binomial nomenclature
B)polygenic inheritance
C)spontaneous generation
D)scientific methods
9.
Which of these is a tool used to identify organisms?
A)a hypothesis
B)a control
C)a stimulus
D)a dichotomous key
10.
What is the length of time an organism is expected to live?
A)homeostasis
B)a life span
C)stimulus
D)a scientific method
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