WorksheetsNatural and Artificial Selection
Total questions: 25
Worksheet time: 17mins
The data provides evidence that best supports the claim that these chickens are being bred for which characteristic?
A. Fewer white feathers
B. Shorter beaks
C. More tail feathers
D. Larger bodies
Greyhounds are dogs with long, powerful legs and slim bodies that make them very fast runners. Which of the following best describes how humans were able to engineer this breed of dog?
For many generations, these dogs were allowed to run freely in large, open fields.
Dogs that were slower than others were given exercise and trained to run fast.
Over many years, all the dogs were fed diets high in protein and vitamins.
In every generation, only those dogs with the desired traits were allowed to reproduce.
Male peacocks have elaborate tail feathers while female peacocks do not because:
male peacocks need to fly faster than females
female peacocks choose mates based on tail feathers, leading to more elaborate male feathers
male peacocks use their feathers for camouflage
female peacocks have more colorful feathers than males
What word describes a trait that helps an organism survive in its environment?
natural selection
mutation
camouflage
adaptation
1. The process of humans choosing organisms for desired characteristics is called
natural selection
Artificial selection
random selection
genetic manipulation
What is an example of artificial selection?
Letting dogs choose their own mate
Letting plants pollinate on their own
Crossing a labrador and a poodle to create a labradoodle
What is this an example of?
natural selection
artificial selection
What is this an example of?
natural selection
artificial selection
What is this an example of?
natural selection
artificial selection
What is most likely to happen to moth populations in the picture shown?
Light moths--hunted easily, dark moths--population increase
Dark moths--hunted easily, dark moths--population increase
Light moths--hunted easily, light moths--population increase
Lights moths will change their color to match dark moths.
Which of the following describes an inherited trait?
Bears have thick shaggy fur.
Bears learn where the best berries grow.
Baby bears figure out how to climb trees quickly.
A bear is wet because he’s been catching salmon.
Charlie’s nose looks just like his grandfather’s nose. This is an example of
nurture.
heredity.
environment.
learned behavior.
Why is a person’s height something that is both inherited and acquired?
A person’s height is determined completely by DNA.
Height is neither in a person’s DNA nor affected by the environment.
Height is determined completely by what environment a person lives in.
A person’s potential height is inherited, but they might not get enough nutrition to reach it.
Which of the following statements is true?
You get new acquired traits all your life, but once you acquire them they never change.
You are born with inherited traits, but they change over your lifetime as you learn new things.
Both your inherited and acquired traits are unchangeable from the moment you’re born.
Your inherited traits don’t change, but your acquired traits can change over your lifetime.
Freckles are an _____________.
acquired trait
inherited behavior
inherited trait
acquired behavior
A dog has black fur with brown spots, a good sense of smell, a chipped tooth, and four legs. Which of these characteristics is an acquired physical trait?
black fur with brown spots
good sense of smell
chipped tooth
four legs
A characteristic that a living thing gets from its parents
inherited trait
learned behavior
physical behavior
acquired trait
Eye Color
Inherited trait
Acquired trait
