Section 4.4 Review

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

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.MS-LS4-4

Which of the following is NOT true in the formation of a new species?

• A mutation causes a population to breed with a different species.

• A population needs to become reproductively isolated.

• Reproductive isolation can occur by the formation of a mountain range.

• An isolated population has adapted to new ecological niches eventually result in the inability to reproduce with the original population.

Albert’s squirrel and the Kaibab squirrel are distinct subspecies that live on opposite sides of the Grand Canyon. They were once one species, but now differ significantly, including fur coloring. This is an example of:

• Geographic isolation

• Behavioral isolation

• Temporal isolation

• Island Isolation

The term "endemic" means

• It's like an epidemic, a disease that spreads.

• It's how populations spread to new areas.

• related organisms that interbreed and produce fertile offspring.

• A species found only in one specific area.

This rare & beautiful bird of paradise can only be found in New Guinea. Because of this we refer to it as a(n)

• endemic species
• endangered species
• indicator species
• invasive species

Mass extinction is

• when many species die over a short period of time.

• when one species dies over a short period of time.

• when many species die over a very long period of time.

• a made up idea.

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NGSS.MS-LS2-4

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Large populations with high genetic diversity are

• more likely to go extinct

• more likely to be invasive

• less likely to go extinct

• less likely to be invasive

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NGSS.MS-LS4-4

In the last 2 centuries, extinction rates have increased along with

• an increase in human population

• a decrease in human population

• an increase in biodiversity

• a decrease in biodiversity

Select TWO responses for the following question!

Biodiversity hotspots usually have two environmental RED FLAGS that scientists use to identify them. Which of the following criteria would scientists use to identify a biodiversity hotspot? (SELECT TWO!!)

• high number of endemic species

• threatened by humans

• abundance of water

• low number of endemic species

• excessive amounts of vegetation

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NGSS.MS-ESS3-4