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ECOL 1000 UGA Connelly Exam 3 2025;
Certified Exam Questions And Correct
Answers
genetic diversity - Correct-answer-variation in genes among individuals of same
species
extinction event - Correct-answer-sharp decrease in diversity and abundance of
macroscopic life; occurs when the rate of extinction increases with respect to the
rate of speciation
background rate of extinction - Correct-answer-average rate of extinction that
occurred before the appearance of humans
1 species/yr - Correct-answer-how many species are expected to be lost per year
on average based on the background rate of extinction
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1,000-10,000 x the rate - Correct-answer-how many times the background rate of
extinction are we predicted to be at right now?
1. endemic or small local populations
2. species that migrate seasonally
3. specialized habitat requirements
4. large home ranges
5. conflicts w humans or used by humans - Correct-answer-things that increase a
species' risk of extinction:
1. habitat loss/alteration
2. invasive species
3. coextinctions
4. commercial exploitation
5. disease - Correct-answer-main threats to biodiversity
habitat fragmentation - Correct-answer-localized clearing; reduction of large
habitat into smaller, isolated patches
ECOL 1000 UGA Connelly Exam 3 2025;
Certified Exam Questions And Correct
Answers
genetic diversity - Correct-answer-variation in genes among individuals of same
species
extinction event - Correct-answer-sharp decrease in diversity and abundance of
macroscopic life; occurs when the rate of extinction increases with respect to the
rate of speciation
background rate of extinction - Correct-answer-average rate of extinction that
occurred before the appearance of humans
1 species/yr - Correct-answer-how many species are expected to be lost per year
on average based on the background rate of extinction
, 2|Page
1,000-10,000 x the rate - Correct-answer-how many times the background rate of
extinction are we predicted to be at right now?
1. endemic or small local populations
2. species that migrate seasonally
3. specialized habitat requirements
4. large home ranges
5. conflicts w humans or used by humans - Correct-answer-things that increase a
species' risk of extinction:
1. habitat loss/alteration
2. invasive species
3. coextinctions
4. commercial exploitation
5. disease - Correct-answer-main threats to biodiversity
habitat fragmentation - Correct-answer-localized clearing; reduction of large
habitat into smaller, isolated patches
