NGSS.HS-LS4-5

Why would a small isolated island have a higher extinction rate than a larger less isolated island?

• smaller populations
• less resources available
• neither of these
• both of these

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NGSS.HS-LS4-5

Species losses and decline in biodiversity may be due to:
I: Extinction
II: Introduced species
III: Habitat loss & degradation
IV: Direct Exploitation

• I & II
• I, II & III
• II,III & IV
• all above

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NGSS.HS-LS4-5

The accumulation of heavy metals or other pollutants causes

a decline in the population of predatory birds because –

• heavy metals make it difficult for the birds to hunt

• pesticides diminish the amount of available food

• the pollutants interfere with bird reproduction

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NGSS.HS-LS4-5

Speciation can occur as a result of geographic isolation because _________.

• members of a species can no longer find mates

• populations that live in different environments may be exposed to different selection pressures

• exchange of genes during recombination

• movement of genes within a population because of interbreeding

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NGSS.HS-LS4-2

NGSS.HS-LS4-5

What three factors can affect ANY population's growth rate?

• Birthrate, death rate, migration
• disease, predation, migration
• medicine, agriculture, industry
• life expectancy, sanitation, vaccines

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NGSS.HS-LS4-5

Due to pollution, a pond becomes darker over time. Which trait variation became more common?

• light fish

• dark fish

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NGSS.HS-LS4-4

NGSS.HS-LS4-5

Which of the following has a negative impact on biodiversity?

• Accidental introduction of invasive species

• Burning fossil fuels

• Burning the Amazon forest

• Population growth

• Overconsumption

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NGSS.HS-LS4-5

Which of the main extinctions happened 65 million years ago?

• Ordovician

• Devonian

• Permian

• KT

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NGSS.HS-LS4-5

2.3 Globally, the leading cause of biodiversity loss is

• invasive species

• poaching and overharvesting

• pollution

• habitat change and loss

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NGSS.HS-LS4-5

Which one of the following is not responsible for the decline in India’s biodiversity?

• Mining activities

• Hunting and poaching

• Forest fire

• Afforestation

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NGSS.HS-LS4-5