Unit 2 APES Review

Which of the following is a measure of the number of different species in a given area?

• Richness

• Evenness

• Genetic variation

• Ecosystem processes

Tags

NGSS.MS-LS2-5

What does genetic biodiversity refer to?

• Variation of genes within and between a species

• Variation in species and communities

• Number of different species in an area

• Variation in habitats and processes

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Ecosystem biodiversity includes variation in which of the following?

• Species, communities, habitats, and processes

• Genes and species

• Richness and evenness

• Populations and genes

Tags

NGSS.MS-LS2-5

What is the bottleneck effect?

• A gradual increase in population size

• A chance occurrence that reduces individuals drastically

• A process that increases genetic diversity

• A method of increasing population growth

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

What is the founder effect?

• A large population starting a new colony

• A few individuals starting a new population

• A process that maintains genetic variation

• A method of increasing genetic diversity

What characterizes a specialist species?

• Survives in a wide range of conditions

• Has a varied diet

• Survives in a narrow range of conditions

• Is not susceptible to habitat disruptions

Tags

NGSS.MS-LS4-4

What is a potential consequence of the bottleneck effect?

• Increased genetic diversity

• Stabilized population size

• Reduced genetic variation

• Enhanced population growth

Tags

NGSS.MS-LS4-4

What is a common diet component for raccoons?

• Only plants

• Only insects

• Plants, fruits, seeds, small animals, insects, amphibians, and garbage

• Only amphibians

What happens to genetic variation in the founder effect?

• It remains the same

• It increases

• It changes from the original population

• It stabilizes

Tags

NGSS.HS-LS4-2

What type of species is crucial for maintaining the structure of an ecosystem?

• Invasive Species

• Keystone Species

• Endemic Species

• Indicator Species

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5