Unit 5 Review

What is a species' niche?

• The physical space an organism occupies

• The role and position of an organism in its ecosystem

• The food an organism consumes

• The habitat where an organism lives

Which factor is NOT a density-dependent limiting factor?

• Disease

• Natural disasters

• Competition for resources

• Predation

Tags

NGSS.MS-LS2-4

What best describes competitive exclusion?

• Two species sharing resources equally

• One species being eliminated due to competition

• Species evolving together over time

• Predators controlling prey populations

Tags

NGSS.MS-LS2-4

Which best describes coevolution?

• Species becoming extinct together

• Species competing for resources

• Species evolving independently

• Species evolving in response to each other

What characterizes a keystone predator?

• It has no natural predators

• It maintains biodiversity by controlling prey populations

• It only hunts at night

• It is always the largest predator

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which is an example of a density-independent factor?

• Competition for mates

• Disease spread

• Natural disasters

• Food availability

Tags

NGSS.MS-ESS3-2

What characterizes a specialized species?

• It can live in many different habitats

• It has a very specific niche

• It eats many different foods

• It adapts quickly to change

Why do generalized species adapt better to environmental changes?

• They reproduce faster

• They are usually larger

• They have more flexible resource needs

• They live longer

Tags

NGSS.HS-LS4-5

What drives human population exponential growth?

• Lack of natural predators

• Advanced medical care and technology

• Unlimited resources

• Absence of competition

What best describes exponential growth?

• Steady population increase

• Population doubling each generation

• Linear population growth

• Declining population growth