Speciation

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

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

The emergence of new rivers or streams is a type of ____________ isolation.

• Temporal

• Mechanical

• Behavioral

• Geographic

Which of the following is NOT part of the Biological Species Concept?

• Must meet in nature & have gene flow
• Must be able to reproduce & share a gene pool
• Offspring must be sterile
• Offspring must be fertile

When reproductive barriers separate a population of a species in nature, the species no longer share a... 

• taxa
• gene pool 
• phylogenetic tree
• species 

Tags

NGSS.HS-LS4-1

An organism's ability to survive and reproduce in its environment refers to its

• Fitness
• Variation
• Selection
• Mutation

Tags

NGSS.HS-LS4-4

Because of an environmental change, organisms develop mutations to survive in that environment.

• True
• False

Tags

NGSS.HS-LS3-2