Organisms and Their Traits TN 5th Grade Science pt 2

A characteristic that appears only when the offspring receives a factor from both parents

• Inherited traits

• dominant trait

• recessive trait

• instinct

A baby is crying. This behavior is an important similarity to a spider spinning a web. Both come naturally. They do not have to be taught. What are behaviors such as these called?

• instincts

• physical traits

• social behaviors

• learned behaviors

Organisms live, or perform basic functions to stay alive. They also survive, or compete for resources, protect themselves, and find food. In which of the following behaviors does a fly use a structure of its body to escape from predators?

• eating

• breathing

• flying

• sleeping

Which is the term for a section of a DNA molecule that carries information for traits such as hair and eye color?

• gene

• offspring

• dominant trait

• recessive trait

Which of the following structures is a physical adaptation that helps a penguin live in an icy, wet environment?

• a think layer of blubber

• wing-shaped flippers for flying

• small spines to prevent water loss

• transparent eyelids to keep eyes moist

The tiny part of a chromosome that codes for just one trait

• camouflage

• gene

• factor

• instinct

Which of the following is an example of an instinct that helps an animal survive?

• a skunk spraying a smelly mist for protection

• a raccoon learning to cross the road

• a dog learning to beg for food

• a human riding a bicycle

A snake has scaly skin to keep from drying out in the desert. A cactus has sharp spines and a thick stem that keep water in. Which term describes such inherited traits that help organisms survive?

• recessive traits

• adaptations

• instincts

• genes

Animals inherit certain characteristics, such as fur color. What are some characteristics that plants inherit?

• flower color

• number of legs

• number of arms

• growing away from the light

A characteristic that appears when the offspring receives a factor from one or both parents.

• Inherited traits

• dominant trait

• recessive trait

• instinct