Natural Selection & Evolution

What is natural selection?

• process in which helpful traits become more common over time

• a trait that helps an organism survive better

Tags

NGSS.MS-LS4-4

A species could go extinct if:

• 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.

Tags

NGSS.HS-LS4-5

Natural selection occurs during the lifetime of a single organism.

• True

• False

Tags

NGSS.MS-LS4-4

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.

Tags

NGSS.MS-LS4-4

NGSS.MS-LS2-4

What type of environment do you think this data was collected from?

• forest with primarily white-bark trees

• forest with primarily dark-bark trees

Tags

NGSS.MS-LS4-4

A yellow morph and green morph of an insect lives in the rainforest canopy. You would expect:

• 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

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

Survival of the Fittest and Evolution were proposed by what scientist?

• Charles Darwin
• Albert Einstein
• Steven Hawking
• Isaac Newton

Tags

NGSS.MS-LS4-4

NGSS.MS-LS3-1

What is the advantage of having different shaped beaks?

• To look different from other species.
• To be able to eat the food readily available in the environment.
• To protect itself against predators.
• To protect itself against prey.

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-2

What word describes a trait that helps an organism survive in its environment?

• natural selection

• mutation

• camouflage

• adaptation

Tags

NGSS.MS-LS4-4

What process is being shown in this image?

• Variation
• Natural Selection
• Selective Breeding
• Homeostasis

Tags

NGSS.MS-LS4-4