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Biology

Choose the correct answer for each exercise.

This activity contains 25 questions.

Question 1.
The scientific study of plant life is
 
End of Question 1


Question 2.
Flesh-eating animals are
 
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Question 3.
Animals that feed primarily on plants are
 
End of Question 3


Question 4.
Organisms that consume both plants and animals are
 
End of Question 4


Question 5.
A part of the nucleus of animal and plant cells that carries genes and helps transmit hereditary information is the
 
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Question 6.
The material of which genes are composed is
 
End of Question 6


Question 7.
The animals and plants of a particular region are the
 
End of Question 7


Question 8.
The fundamental hereditary unit found on chromosomes that control the development of hereditary characteristics is the
 
End of Question 8


Question 9.
The branch of biology that studies heredity is
 
End of Question 9


Question 10.
The natural environment in which a plant or animal lives is its
 
End of Question 10


Question 11.
Passing the winter in a dormant state is
 
End of Question 11


Question 12.
Spending the summer in a dormant state is
 
End of Question 12


Question 13.
The tendency of an organism to maintain a stable internal environment in the body is
 
End of Question 13


Question 14.
Animals, such as kangaroos, whose newborn live in external pouches as they feed and further develop are
 
End of Question 14


Question 15.
Warm-blooded vertebrates, including humans, characterized by hair on the skin and, in the female, milk-producing mammary glands are
 
End of Question 15


Question 16.
Metabolism refers to
 
End of Question 16


Question 17.
A permanent structural change in a DNA molecule that may result in a new trait or characteristic is
 
End of Question 17


Question 18.
The theory that the surviving plants and animals of a particular species are those that are strongest and most adaptable is
 
End of Question 18


Question 19.
The classification of organisms into categories or systems based on shared characteristics is
 
End of Question 19


Question 20.
A poisonous substance produced by an organism is a/an
 
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Question 21.
A substance formed in response to a toxin for the purpose of neutralizing it is a/an
 
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Question 22.
The loss of water vapor through the membrane or pore of an organism is
 
End of Question 22


Question 23.
An animal that has a backbone or spinal column is a/an
 
End of Question 23


Question 24.
An animal that does NOT have a backbone or spinal column is a/an
 
End of Question 24


Question 25.
The scientific study of animals is
 
End of Question 25





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