process in which helpful traits become more common over time

a trait that helps an organism survive better

camouflage

ability to survive cold weather

hunting skills

all of the above

natural selection

genetic variations

artificial selection

adaptations

food becomes more plentiful.

members of the species have adaptations to enhance survival.

the environment changes drastically and no one can adapt.

there is less competition for resources.

True

False

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.

forest with primarily white-bark trees

forest with primarily dark-bark trees

the green population to increase and the yellow to decrease

both populations should stay the same

both populations will increase

the green population to decrease and the yellow to increaseThis is a wrong answer

TRUE

FALSE

survive

go extinct

survive & reproduce