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Chapter 6 Science Vocab

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.
an inherited trait that increases an organism's chances of surviving and reproducing in its environment
a)
asymmetry
b)
adaptation
c)
molting
d)
gill
2.
a body plan in which an organism can be divided anywhere through its central axis into two parts that are nearly mirror images of each other
a)
radial symmetry
b)
endoskeleton
c)
endotherm
d)

bilateral symmetry

3.
a thin layer of tissue that covers a mollusk's internal organs
a)
parasite
b)
metamorphosis
c)
mantle
d)
notochord
4.
the process of change in an animal's body form as it grows from an egg to an adult
a)
molting
b)
asymmetry
c)
exoskeleton
d)
metamorphosis
5.
a protective membrane that surrounds the embryo
a)
endotherm
b)
amnion
c)
mammary gland
d)
gill
6.
a flexible, rod-shaped structure that supports the body of a developing chordate
a)
notochord
b)
pharyngeal pouch
c)
endoskeleton
d)
hydrostatic skeleton
7.
a body plan in which an organism cannot be divided into any two parts that are nearly mirror images
a)
endoskeleton
b)
gill
c)
mammary gland
d)
asymmetry
8.
a process by which an outer covering is shed and replaced
a)
molting
b)
exoskeleton
c)
mantle
d)
parasite
9.
an animal that survives by living inside or on another organism, gets food from the organism, and does not help in the organism's survival
a)
mantle
b)
parasite
c)
ectotherm
d)
gill
10.
an animal that heats its body from heat in its environment (Mushu)
a)
endotherm
b)
ectotherm
c)
bilateral symmetry
d)
pharyngeal pouch
11.
special tissue that produces milk for young mammals
a)
exoskeleton
b)
gill
c)
pharyngeal pouch
d)
mammary gland
12.
an internal rigid framework that supports humans and other animals
a)
endoskeleton
b)
exoskeleton
c)
hydrostatic skeleton
d)
adaptation
13.
a body plan in which an organism can be divided into two parts that are nearly mirror images of each other
a)
adaptation
b)
exoskeleton
c)
mantle
d)
bilateral symmetry
14.
a fluid-filled internal cavity surrounded by muscle tissue
a)
hydrostatic skeleton
b)
mantle
c)
metamorphosis
d)
endotherm
15.
an animal that generates its body heat from the inside
a)
amnion
b)
pharyngeal pouch
c)
endotherm
d)
parasite
16.
an organ that exchanges carbon dioxide in the water for oxygen
a)
mammary gland
b)
gill
c)
pharyngeal pouch
d)
mantle
17.
a thick, hard outer covering
a)
mantle
b)
gill
c)
exoskeleton
d)
molting
18.
a groove along the side of a developing chordate
a)
notochord
b)
amnion
c)
gill
d)
pharyngeal pouch