TCI: Unit 4 Lesson 3 & 4

Which of the following is an example of an inherited trait in an animal?

• A tadpole growing legs as it develops.

• A dog being skinny because of a disease.

• A pig being large because it eats too much food.

• A goat having a broken horn because of a fight.

An adult rose plant with flowers passes this trait to its offspring. If the offspring gets enough sunlight and water, it will

• sprout brown leaves

• grow pink flowers

• have pale flowers when it grows

• be much shorter than its parents

What are genes?

• traits that are not inherited from an offspring's parents

• changes in the environment that affect how an animal grows

• inherited information that tells offspring what traits to have

• information from the environment that affects an organisms traits

______ is an example of an inherited trait affected by the environment.

• A baby bird growing feathers

• A tadpole growing legs as it develops

• A plant growing bark around its trunk

• A flower turning brown because of disease

A baby bird inherits information that causes it to grow feathers as it gets older. This inherited information is known as

• genes

• species

• resources

• traits

Which of these factors might affect a full-grown pig's weight?

• How much exercise it gets

• How much food is available

• The genes it inherits from its parents

• All of the above

A plant growing a flower as it gets older is an example of

• an inherited trait

• a learned behavior

• an environment change

• a non-inherited trait

Which of the following statements about traits is false?

• Traits are affected by both genes and the environment.

• Only diseases can cause an inherited trait to change.

• The environment can affect both plants and animals.

• Inherited genes tell an organism what to do as it grows.

Which of these is an example of an inherited trait?

• A frog has green skin with spots.

• A frog lives in the same forest as a brown hawk.

• A frog has a scar on its leg from a cut.

• A frog finds a new home after a big flood.

______ is an example of a trait passed by genes.

• Size of a pig

• Color of a flower

• Type of feather

• All of the above