Speciation and Cladograms

A flash flood carried a raft of Amazon ants away from their original population. There is enough distance between the two groups, that they will never meet in nature again. What type of reproductive barrier is this?

• behavioral isolation
• temporal isolation 
• gametic isolation
• geographic isolation 

Tags

NGSS.MS-LS4-2

The genitalia of the male damselfly varies in shape. Certain males can only hold onto & mate with females whose genitalia fit.  What type of reproductive barrier is this?

• behavioral isolation
• temporal isolation 
• gametic isolation
• mechanical isolation 

Tags

NGSS.MS-LS1-4

Some female peacocks prefer males with large, colorful tales while other female peacocks prefer males with no tail at all. Females are beginning to only mate with the type of males with the tail they prefer. What type of reproductive barrier is this?

• behavioral isolation
• hybrid sterility 
• temporal isolation
• mechanical isolation 

Tags

NGSS.HS-LS4-4

The flowers of pink tulips open in the morning, while the flowers of lavender tulips open in the early afternoon. The bees that pollinate these tulips cannot carry pollen back & forth between the two types of tulips because of their flowers being closed at different times of day. What type of reproductive barrier is this?

• behavioral isolation
• hybrid sterility 
• temporal isolation
• mechanical isolation 

The term for the formation of new and distinct species over the course of evolution is...

• speciation
• biological species concept
• reproductive barrier
• natural selection

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-5

What is a species? 

• A group of organisms that can mate with each other and produce fertile offspring. 
• A group of organisms that can mate and produce offspring even if those offspring are infertile.
• A group of organisms that genetically are very different from each other. 
• Indivual organisms that live in the same environment. 

Tags

NGSS.MS-LS3-2

When has speciation occurred?

• When populations no longer look the same
• When populations no longer have the same frequency of alleles
• When populations are living in different environments
• When populations can no longer interbreed

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

According to this cladogram, primates are most closely related to -

• Amphibians
• Rodents and rabbits
• Crocodiles
• Birds

Tags

NGSS.MS-LS4-2

According to this cladogram, birds are LEAST related to -

• Amphibians
• Sharks
• Ray Finned Fish
• Crocodiles

Tags

NGSS.HS-LS4-1

Which trait do only humans have, according to the cladogram?

• jaws
• mammary glands & hair
• terrestrial during all life stages
• opposable thumbs

Tags

NGSS.MS-LS4-2