Natural Selection

The poison of the newt was a(n) __________________________ against the snakes in the environment.

• generation

• distribution

• non-adaptive trait

• adaptive trait

Tags

NGSS.MS-LS4-4

Which location has guppies (孔雀鱼) with medium spot size as the adaptive trait?

• Population in Brazil

• Population in Venezuela

Tags

NGSS.MS-LS4-4

What changed in the environment to cause evolution?

• The water temperature increased.

• The water temperature decreased.

• The water temperature did not change.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Which prediction supports the following statement? Red is the adaptive trait to survive predators.

• 
• 

Tags

NGSS.MS-LS4-4

What change in the environment caused the evolution? 岩石越小，越适合斑点小的鱼生存。

• The amount of large riverbed rocks increased.

• The amount of small riverbed rocks increased.

• The amount of riverbed rocks did not change.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS4-4

How did the cactuses (仙人掌) evolve from 1970 to 2015?

• Medium spine size became an adaptive trait.

• Medium spine size became a non-adaptive trait.

• Small and large spine sizes became adaptive traits.

Tags

NGSS.MS-LS4-4

What change in the environment caused the evolution?

• The tree bark became gray.

• The tree bark became black.

• The tree bark became black and gray.

• The tree bark became white.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

True or false? Thick beaks are the non-adaptive trait in the population.

• True

• False

Tags

NGSS.MS-LS3-1

Why did the population evolve from medium to thick?

• Medium is the adaptive trait.

• Thick is the non-adaptive trait.

• The environment became more cold.

• The environment became more hot.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

NGSS.MS-LS4-4

Which of the following best describes natural selection?

• A process where organisms better adapted to their environment tend to survive and produce more offspring

• A random change in the DNA sequence

• The movement of individuals from one population to another

• The intentional breeding of organisms by humans

Tags

NGSS.MS-LS4-4