4.10B: Trais
Organisms and Environments
Key Concept 1: Some likenesses are inherited from parent
to offspring, while other likenesses are acquired.
Passage
Offspring inherit certain traits from their
________________________. An __________________
____________ is a characteristic that is passed from parents to
offspring. For example, a puppy inherits four legs, two ears, and a
tail from its parents. However, that same puppy may learn to fetch a
paper and do tricks. This is an example of a _______________
_____________________. A learned behavior is a behavior that an
animal develops by observing other animals or by being taught.
Illustration
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4.10B: Traits
Organisms and Environments
Key Concept 2: Inherited characteristics include eye color in
humans or shapes of leaves in plants.
Passage
The traits of children are determined by the traits passed on from their
___________________. It is often easy to determine inherited traits
in family members, but what about traits that go unnoticed? You may
have many of the same traits as your classmates although you are
not directly related to those individuals. Examples of inherited human
traits include the ability to roll your tongue or _________________,
attached or unattached ____________________, dimples, and
naturally curly or straight ____________________. Plants also inherit
traits such as the ___________________ and
___________________ of their leaves.
Illustration
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4.10B: Traits
Organisms and Environments
Key Concept 3: Learned behaviors include having table
manners, reading or speaking a language, or animals
performing tricks on command.
Passage
You are born with traits that you have ________________________
from your parents. However, there are behaviors that you will learn
as you develop. Children have to learn how to use a fork, how to
speak a language, and read. A _______________
__________________ is a behavior that you develop by observing
other humans or by being taught. Animals also learn behavior. For
example, a colt is born knowing how to stand and walk. Yet, a colt
will need to ___________________ to wear a saddle. Dolphins are
born knowing how to __________________, but trainers at
SeaWorld can teach them to swim and do tricks.
Illustration
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