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Introduction To Animals
Test Description: Review questions
Instructions: Answer all questions to get your test result.
1) What is the liver an example of?
A
An organ
B
An organ system
C
A tissue
D
A cell
2) Multicellular organisms have many cells. What is the one other characteristic they must have before they can be called multicellular?
A
The cells must be specialized.
B
They must be autotrophs.
C
They must be heterotrophs.
D
The cells must be small.
3) A heterotroph is an organism that
A
makes its own food
B
eats only other species
C
is a carnivore
D
gets food from outside itself
4) Why is an amoeba not an animal?
A
It is prokaryotic
B
It is unicellular
C
It is autotrophic
D
It is asexual
5) What are collections of similar cells called?
A
tissues
B
organisms
C
clones
D
organs
6) Which of these sets of physical characteristics is used to classify animal groups?
A
Body size
B
method of reproduction
C
Number of legs
D
Body cavity type
7) An animal without a body cavity is called
A
acoelomic
B
acentric
C
atypical
D
asymmetrical
8) How many embryonic and adult tissue layers are found in jellyfish, hydras, and sea anemones?
A
1
B
4
C
3
D
2
9) Which animal contains one body opening that serves as both mouth and anus?
A
flatworm
B
cow
C
sponge
D
human
10) Looking at a standing human, what is the line that demonstrates the body's bilateral symmetry?
A
facing the top of the head and drawing a line across the head touching each ear
B
facing the side and drawing a line up and down the center of the body
C
facing the front and drawing a line side to side across the middle of the body
D
facing the front and drawing a line up and down the center of the body
*select an answer for all questions
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