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