Science Review

Kara’s three sisters have black hair just like their mother. Which most likely explains why Kara has brown hair?

• Kara’s father has brown hair.

• Kara is older than her sisters.

• Kara is younger than her sisters.

• Kara's mother prefers brown hair.

A group of students are studying bean plants. All of the following traits are affected by changes in the environment except

• leaf color.

• seed type.

• bean production.

• plant height.

Steve’s class is visiting the zoo. He observes that the stripe patterns of two zebras are very different. Which most likely explains why the zebras have different stripe patterns?

• The zebras eat different types of grass.

• The zebras are active at different times of the day.

• The zebras react to their habitat at the zoo in different ways.

• The zebras are expressing the trait for stripe pattern in different

  ways.

Jonathan observes two birds on the beach. One bird has a long, narrow beak while the other bird has a short, thick beak. Which best explains why the two birds have different types of beaks?

• The birds have the same parents.

• The birds live in different environments.

• The birds are members of the same species.

Kristy and Alison are sisters, but they do not look alike. Which best explains this?

• They chose to express characteristics that are different from one another.

• Kristy inherited all her characteristics from their father and Alison inherited all her characteristics from their mother.

• They both inherited characteristics from each of their parents, but chose to express only some of the characteristics.

• They both inherited characteristics from each of their parents, but the characteristics are expressed in different ways.

Which of these is an inherited trait?

• dimples

• long hair

• favorite color

• driving ability

Which trait does a cactus get from its parents?

• the length of time it lives

• the color of its flowers

• the amount of rain it gets

• the number of spines it has

• large mane

• sharp claws

• ability to hunt

Which would a kitten most likely inherit from its parents?

• fat belly

• fast speed

• sharp teeth

Rodney practices his piano each day after school to increase the speed of his fingers. Which is most likely another learned characteristic that he has?

• He is tall.

• He has long fingers.

• He has a deep voice.

• He can read sheet music