Life Science Check-In Review

A mother rabbit has a litter. One of the babies is born with one long ear and one short ear. What most likely caused this one rabbit to be born with one short ear?

• The mother rabbit had previously lost an ear in an accident
• The mother rabbit became sick before she gave birth
• A mutation occurred during the development of this one rabbit
• This one rabbit received less nutrition than the other rabbits before it was born

Which is an example of a trait that is inherited?

• dimples
• intelligence
• weight
• favorite color

Which of these traits is most influenced by a person's environment?

• ability to roll the tongue
• blood type
• weight
• eye color

Which is most likely the reason parents and their children have similar physical traits?

• They live in the same home
• They have similar genetic structures
• They are born in similar environments
• They have similar blood types

Which is a trait children most likely inherit from their parents?

• favorite color
• food preference
• freckles
• weight

Some people have a "hitchhiker's" thumb that allows them to bend their thumbs more than other people. How do these people most likely get this trait?

• They learn it from friends
• They inherit it from their parents
• They get it as a result of an illness
• They get is as a result of their jobs

Which characteristic is the best example of an inherited trait?

• short hair
• pierced ears
• long fingernails
• eye color

Which is an example of a noninherited trait?

• face shape
• hair color
• food preference
• tongue rolling

Which could cause a bear cub to look different from its parents?

• A change in food source
• A change in the ecosystem
• A change in DNA
• A change in the amount of sleep they get

Which is an example of a learned behavior?

• Getting a scar after falling off a bike
• A baby bird flying for the first time
• Coloring your hair
• A baby crying when they are hungry