Natural Selection Scenarios

Crabs eat thin-shelled oysters. Oysters are ____.

• prey

• predator

• variation

• adaptation

Tags

NGSS.MS-LS2-2

Crabs eat thin-shelled oysters. Crabs are _____.

• predator

• prey

• characteristic

• variation

Tags

NGSS.MS-LS2-2

Crabs eat thin-shelled oysters. Thin-shelled is _______.

• variation

• trait

• adaptation

• evolution

Tags

NGSS.MS-LS4-2

Brightly colored male birds have a better chance to mate, but lesser chance to avoid predators. Which of these is true?

• Female birds are color blind.

• Male birds are not interested in mating.

• Brightly colored male birds must avoid predators in order to mate.

• Female birds protect brightly colored male birds from predators.

Tags

NGSS.MS-LS4-4

NGSS.MS-LS1-4

Light colored crayfish hide in rocks. Dark colored crayfish hide in shadows. Light and dark are both ______.

• variations

• likely to be eaten by predators

• different traits in crayfish

• causes of selection

Tags

NGSS.MS-LS4-4

A drought causes finches with small beaks to starve. Beak size is __________.

• a trait

• irrelevant to survival

• a cause for selection

• advantageous to finches

Tags

NGSS.MS-LS4-4

Robins usually lay 4-5 eggs. Too many eggs is a problem because there may be too many mouths to feed. Too few eggs is a problem because a predator might eat them all. The number of eggs is _________.

• the trait being studied

• the variation among individuals

• likely to cause evolution

• the predator in this case

Tags

NGSS.MS-LS4-4

Sunflowers are selected for survival by sunlight and by wind based on the sunflower height. Which variety of sunflower is likely to survive?

• tall

• medium

• short

Tags

NGSS.MS-LS4-4

NGSS.MS-LS1-5

Frogs survive better if their tongues are long. Long or short are considered ________

• variations

• traits

• species

• genetic flow

Tags

NGSS.MS-LS4-4

What do shore birds and crabs have in common?

• They prey on oysters.

• They are prey of sea lions.

• They are endangered species.

• They are poisonous.