Fitness Evolution

how well an organism can survive and reproduce in its environment

• fossil

• fitness

• inherited trait

Tags

NGSS.MS-LS4-4

What is natural selection?

• Your natural fate is decided from birth

• Nature actively chooses who surivives

• Those best suited to demands of environment surivie

• The weakest of a species surivie

Tags

NGSS.MS-LS4-4

Charles Darwin’s observation that finches of different species on the Galápagos Islands have many similar physical characteristics supports the hypothesis that these finches

• have the ability to interbreed.
  have the ability to interbreed.

• acquired traits through use and disuse.

• all eat the same type of food.

• descended from a common ancestor.

Tags

NGSS.MS-LS4-2

what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?

• different species on different islands

• all species on one of the islands

• identical species on all the islands

• the same species as North America

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

All of these finches have different shaped beaks, they are an adaptation to gain access of 

• Water

• Food

• Shelter

Tags

NGSS.MS-LS2-1

NGSS.MS-LS4-4

Which of the following statements best describes what the word  'fittest'  means in the phrase "Survival of the fittest". 

• The organism that survives in their environment to produce more offspring is the fittest.

• The organism that collects the most resources is the fittest

• The organism that becomes the strongest individual is the fittest

• The organism that lives the longest is the fittest. 

Tags

NGSS.MS-LS4-4

Biological fitness is defined as __________.

• the ability of an organism to survive and reproduce

• the average life span of an organism

• the amount of energy an organism can use in the environment

• the average life span of an organism

Tags

NGSS.MS-LS4-4

Which of the following statements is INCORRECT ?

• Without mutations, there would be no evolution

• Mutations create diversity among life-forms

• Mutations are the source of new phenotypes

• Mutations happen when there is a need for a new trait in a population

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

How did Darwin's finches help support his theory of evolution?

• The finches all lived on different islands

• Only the largest birds had survived on the island, while the smaller ones went extinct

• The birds were different colors, which allowed for camouflage in different habitats

• The size and shape of their beaks varied due to the different environments they lived 

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Structures that were once functional in the past but no longer serve a purpose due to evolutionary adaptations and physiological changes are referred to as __________ structures.

• homologous structures

• analogous structures

• vestigial structures

• None of these