Biodiversity and Evolution

The variety of different ways in which species within an ecosystem perform "jobs" that benefit the ecosystem and make it more resilient in the face of change is called _____.

• genetic diversity

• functional diversity

• biological diversity

• species diversity

• ecosystem diversity

Tags

NGSS.MS-LS2-5

_____ diversity increases the chances that individuals will possess favorable traits needed to survive changing environmental conditions.

• Functional

• Genetic

• Ecosystem

• Biome

• Species

Tags

NGSS.MS-LS2-5

NGSS.MS-LS4-4

_____ is one ecosystem service that is supported by biodiversity.

• Pollination

• Solar energy

• Fuel

• Species variety

• Medicine

Tags

NGSS.MS-LS2-5

By controlling the spread of vegetation and the balance of certain fish species, the American alligator serves as a(n) _____ in its ecosystem.

• endemic species

  
  

• exotic species

• invasive species

  
  

• keystone species

  
  

• indicator species

Tags

NGSS.MS-LS2-4

What term refers to a species that can live in many different places, eat a variety of foods, and often tolerate a wide range of environmental conditions?

• endemic species

• keystone species

• specialist species

  
  

• indicator species

• generalist species

Tags

NGSS.MS-LS4-4

A species that can serve as a "biological smoke alarm" regarding damage to its ecosystem is called a(n) ____.

• indicator species

• nonnative species

  
  

• endemic species

• keystone species

  
  

• native species

  
  

A species that originates in an ecosystem and has adapted to conditions there is called a(n) _____ .

• nonnative species

• native species

  
  

• indicator species

• keystone species

• invasive species

Scientists estimate that the fossils found thus far represent about _____ of all species that have ever lived.

• 50%

• 75%

• 1%

• 95%

• 15%

Tags

NGSS.MS-LS4-1

The process of natural selection favors individuals that _____.

• leave behind the fewest offspring

  
  

• do not have genetic resistance

• have the most complete ecological niche

  
  

• can survive existing environmental conditions

  
  

• have experienced many DNA mutations

  
  

Tags

NGSS.MS-LS4-4

Adaptation through natural selection is limited because it requires _____.

• traits that cannot be inherited

  
  

• low genetic diversity

• genetic traits to exist in a gene pool

• slow rates of reproduction

• the absence of mutations

  
  

Tags

NGSS.MS-LS4-4