Evolution of Populations

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

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

When a zebra & horse mate, they create a zorse. Zorses are most often sterile. What type of reproductive barrier is this?

• behavioral isolation
• hybrid sterility 
• gametic isolation
• mechanical isolation 

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.MS-LS1-4

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-LS4-5

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-LS4-4

Different mating times

• temporal
• behavioral
• geographic
• other

Different mating locations

• temporal
• behavioral
• geographic
• other

Genotype refers to the ...

• physical expression of the genes
• the possible combination of alleles in a gene
• whether an allele is dominant or recessive
• how an organism will appear

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is a phenotype?

• BB
• Bb
• bb
• Blue eyes