Environmental Science Day 3 Quiz

Higher biodiversity is ____ for the ecosystem

• Better

• Worse

Draw the tolerance curve for a generalist species vs specialist species on the same graph

What does a bottleneck event do?

• Increase genetic biodiversity

• Increase species evenness

• Reduce genetic biodiversity

• Decrease species evenness

The Type I survivorship curve describes ____

• k-selected species

• r-selected species

• Neither

r-selected species are more likely to ____

• Be invasive

• Become extinct

Is it better for a species to be generalist or specialist?

• Generalist

• Specialist

• Neither

The zone of intolerance describes ____

• The zone that is optimal for the organism

• The zone where organisms are under stress but can still survive

• The zone where an organism cannot survive

Resilience is ____

• the ability of an ecosystem to return to its original conditions after a major disturbance

• the number of species in an ecosystem

•  measure of how different the genomes are of the individuals within a population

• variation at the genetic, species, and ecosystem level

What label should be on the vertical axis (arrow pointing down)?

• Evenness

• Richness

What is a trait that describes k-selected species?

• Short lifespan

• Few offspring

• Many offspring

• Fast population growth rate