5th grade Sci Unit 1 Test Review

A boy's mother has blue eyes and dimples. His father has brown eyes and no dimples. How could the boy have brown eyes and dimples?

• because his traits were influenced by hi home environment

• because he inherited traits from just one parent

• because his traits were determined by the foods he eats

• because he inherited traits from both parents

Why do the same kinds of trees have the same shape of leaves?

• They inherit the shape of their leaves from the parent trees.

• They receive the same kinds of nutrients from the soil.

• They grow in areas that receive the same amount of sun.

• They acquire the shape of their leaves from insects eating their leaves.

Which example is a trait that a dog does not inherit?

• the ability to sit on command

• the ability to swim

• body shape

• fur color

A girl has brown hair and brown eyes. She has freckles, and she speaks Spanish. Which characteristic was not inherited from the girl's parents?

• brown hair

• brown eyes

• freckles

• speaking Spanish

Ariel's mother is short, with blonde hair and blue eyes. Her father is tall, with brown hair and brown eyes. Ariel is medium height, with blonde hair and brown eyes. Why does Ariel look different from her parents?

• Ariel's appearance does not depend on the traits of her parents.

• Ariel inherited half of her DNA from each parent and has a combination of their traits.

• Ariel is a female, so she inherited more DNA from her mother and looks more like her mother.

• Ariel inherited more of her father's DNA and looks more like her father.

Which is an acquired trait rather than an inherited trait?

• eye color

• hair color

• skin color

• favorite color

Which best describes why bacteria can survive in their environment without help from other organisms?

• because their cells are larger than cells of other organisms

• because they can carry out all necessary life processes

• because they are a specific kind of plant

• because they are multicellular

Most plankton are single-celled organisms that float near the surface of ocean water. What other characteristic would these plankton most likely have?

• the ability to acquire the energy they need without the help of other cells

• the ability to attach to other plankton and help all other plankton survive

• the ability to survive without reproducing

• the ability to survive without removing waste

How are single-celled fungi different from plants and animals?

• Single-celled fungi use photosynthesis to survive.

• Single-celled fungi do not require energy to survive.

• Single-celled fungi are able to survive without water.

• Single-celled fungi do not need other types of cells to survive.

Which statement is correct, concerning specialized cells in most animals?

• Specialized cells are unable to communicate with other specialized cells.

• Specialized cells only function for a short amount of time each day.

• Specialized cells are not capable of surviving on their own.

• Specialized cells carry out all life functions on their own.