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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
A tissue
B
An organ system
C
An organ
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
They must be autotrophs.
B
The cells must be small.
C
They must be heterotrophs.
D
The cells must be specialized.
3) A heterotroph is an organism that
A
eats only other species
B
makes its own food
C
is a carnivore
D
gets food from outside itself
4) Why is an amoeba not an animal?
A
It is unicellular
B
It is prokaryotic
C
It is asexual
D
It is autotrophic
5) What are collections of similar cells called?
A
organisms
B
organs
C
tissues
D
clones
6) Which of these sets of physical characteristics is used to classify animal groups?
A
Body cavity type
B
method of reproduction
C
Number of legs
D
Body size
7) An animal without a body cavity is called
A
asymmetrical
B
atypical
C
acoelomic
D
acentric
8) How many embryonic and adult tissue layers are found in jellyfish, hydras, and sea anemones?
A
2
B
1
C
3
D
4
9) Which animal contains one body opening that serves as both mouth and anus?
A
cow
B
sponge
C
human
D
flatworm
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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