WorksheetsUnit 5 Organisms and their Traits Pre-Test
Total questions: 20
Worksheet time: 2hrs 40mins
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
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
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
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
Which pictures on a diagram would show a life cycle?
the physical traits an organism inherits
the behavioral traits an organism inherits
the important stages an organism goes through
Which of the following structures is a physical adaptation that helps a penguin live in an icy, wet environment?
A thick layer of blubber
wing-shaped flippers for flying
Small spines to prevent water loss
Which of the following is an example of learned behavior?
Ground squirrels hibernating for the winter
Geese migrating south for the winter
A lion cub hunting as its mother does
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
Which of the following goes through metamorphosis - a complete change in form during its lifetime?
Alligators
Humans
Frogs
Which of the following describes inherited traits of a tree?
Flower color and potential height
Eye color and intelligence
Right-handedness and bark texture
What did scientist Gregor Mendel discover during the 1800s?
Pea plants pass on only dominant traits to offspring
Human parents pass traits on to offspring
Some inherited traits are dominant & some are recessive
Which of the following is a learned behavior in humans?
Crying
Speaking
Blinking
Animals inherit certain characteristics, such as fur color. What are some characteristics that plants inherit?
Flower color
Number of legs
Number of arms
What type of adaptation helps a living thing hide in its environment?
Instinct
Camouflage
A behavior that an animal doesn’t need to learn is an (a)
Characteristics passed from parents to offspring are (a)
A characteristic that appears only when the offspring receives a factor from both parents
(a)
A characteristic that appears when the offspring receives a factor from one or both parents.
(a)
One version of a trait, such as flower color
(a)
Tiny part of a chromosome that codes for just one trait
(a)
