New York Science Grade 6

Chapter 8: Life's Structure and Classification

Life's Structure and Classification

1
Which of these is not an organism?
A)bird
B)dog
C)fish
D)rock
2
All living things are composed of what?
A)atoms
B)particles
C)minerals
D)cells
3
An organism makes internal changes to maintain the right amounts of water and food in its cells. What is the term for this ability?
A)osmosis
B)photosynthesis
C)equilibrium
D)homeostasis
4
When coal and crude oil are used up, there won't be anymore available for use for _______ of years.
A)energy
B)heat
C)air
D)water
5
What do living things need to survive?
A)elements
B)water
C)heat
D)lipids
6
What is the first word in a two-word name of an organism?
A)species
B)genus
C)trees
D)phylum
7
What is the closest relative of Canis lupus?
A)Quercus alba
B)Felis tigris
C)Canis familiaris
D)Equus zebra
8
The evolutionary history of an organism is known as _______.
A)ecology
B)heredity
C)family
D)phylogeny
9
What category of organisms can mate and produce fertile offspring?
A)species
B)family
C)class
D)genus
10
Carolus Linnaeus developed a system of grouping organisms that was accepted and used by most scientists. What is the name of this system?
A)classification
B)binomial nomenclature
C)identification
D)kingdom
11
Which one of the following structures is found in prokaryotic cells?
A)mitochondrion
B)Golgi bodies
C)chloroplast
D)ribosomes
12
The _______ is a series of folded membranes in which materials can be processed and moved around inside of the cell.
A)Golgi body
B)ribosome
C)endoplasmic reticulum
D)mitochondrion
13
Which one of the following organelles has stacked, flattened membranes?
A)Golgi bodies
B)smooth endoplasmic reticulum
C)cell walls
D)cytoplasm
14
Which of these is not an organ?
A)cardiovascular system
B)heart
C)artery
D)vein
15
According to the cell theory, what is the basic unit of life?
A)the Sun
B)Preservation
C)a cell
D)a chloroplast
16
Where does a virus multiply?
A)in the ground
B)in the air
C)in water
D)in a host cell
17
Interferons are _______ that protect cells from viruses.
A)vaccinations
B)infections
C)proteins
D)mitochondria
18
Which of these is the first step an active virus follows when attacking a cell?
A)New viruses form inside the host cell.
B)The virus attaches to a specific host.
C)Hereditary material multiplies.
D)The host cell is destroyed.
19
Which of these is the term for an inactive virus?
A)latent
B)active
C)infection
D)vaccination
20
Which of the following is not a method of treating and preventing viral diseases?
A)vaccinations
B)antibiotics
C)improving sanitary conditions
D)separating patients with diseases
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