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 isolation is this?

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

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 isolation 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

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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. 

SELECT ALL THAT APPLY: Which of the following must be true in order for organisms to be considered the same species?

• They must be able to mate

• They must be able to produce fertile offspring

• They must have structural similaries

• They must have the same bone structure

When a population becomes divided by an event such as a new river forming, ____________ has occurred.

• Differentiation 
• Isolation
• Adaptation
• Separation

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NGSS.HS-LS4-4

You are researching reptiles and encounter two garter snakes on a hike. Both snakes are brown and white, but their patterns are slightly different. You bring them back to the lab for further study. What is the BEST way to determine if these two are the same species?

• Their appearance - if they look similar, they must be the same species

• Their adaptations - if they have the same traits, they must be the same species

• A breeding experiment - if they are able to produce offspring, they must be the same species

• DNA testing - if their DNA/genes are the same, they must be the same species

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Members of the same species will always have a similar body appearance.

• True

• False

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NGSS.HS-LS4-2

NGSS.HS-LS4-4

When members of the same species breed, their offspring are able to produce offspring.

• True

• False

Tags

NGSS.HS-LS3-1

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.HS-LS4-2

NGSS.HS-LS4-5