BIO 120 quiz 5- lecture 1 Exam Questions
and Answers with Verified Solutions | Latest
Updated 2026
what are the three ways of species richness (S)
quantifying the number of relative evenness (J)
abundance of organisms diversity (H)
what does species richness (S) number of species (or genetic types or
indicate? ecosystems)
what does evenness (J) indicate? how evenly distributed those species are; J
what is the equation? = H'/ln
what does diversity (H') indicate? H' takes into account both richness and
evenness
what was the Castiaa and Duran human exclusion from rocky intertidal zone
1985 of
study about consumer effects in centrail Chile" the effects on Concholepas
rocky shore systems? conchelepas (Gastropoda)
what does ECIM stand for? Estacion Costera de Invesigaciones
Marinas
is loco (concholepas) an no, it is a carnivourous snail with a
herbivore? siphonal canal
, what mussel species is the perumytilus purpuratus
dominant
space holding mussel?
what are the findings of the - mussels outcompete everything
consumer study regarding the - loco eats the mussels, reducing
ECIM competition
reserve?
what is the name of the Sousa disturbance in marine intertidal boulder
1979 fields: the
study about disturbance in a nonequilibrium maintenence of species
california boulder field? diversity?
what are the background 0.1 to 1 species per million years
extinction
rates? (per million years)
each species has existed for an 1 - 10 million years
average of _________
what are recent extinction rates? 20 - 200 species per million years
what are projected extinction 250 - 1500 species per million years
rates?
how many marine species have ~133
gone
locally, regionally, or globally
extinct?
and Answers with Verified Solutions | Latest
Updated 2026
what are the three ways of species richness (S)
quantifying the number of relative evenness (J)
abundance of organisms diversity (H)
what does species richness (S) number of species (or genetic types or
indicate? ecosystems)
what does evenness (J) indicate? how evenly distributed those species are; J
what is the equation? = H'/ln
what does diversity (H') indicate? H' takes into account both richness and
evenness
what was the Castiaa and Duran human exclusion from rocky intertidal zone
1985 of
study about consumer effects in centrail Chile" the effects on Concholepas
rocky shore systems? conchelepas (Gastropoda)
what does ECIM stand for? Estacion Costera de Invesigaciones
Marinas
is loco (concholepas) an no, it is a carnivourous snail with a
herbivore? siphonal canal
, what mussel species is the perumytilus purpuratus
dominant
space holding mussel?
what are the findings of the - mussels outcompete everything
consumer study regarding the - loco eats the mussels, reducing
ECIM competition
reserve?
what is the name of the Sousa disturbance in marine intertidal boulder
1979 fields: the
study about disturbance in a nonequilibrium maintenence of species
california boulder field? diversity?
what are the background 0.1 to 1 species per million years
extinction
rates? (per million years)
each species has existed for an 1 - 10 million years
average of _________
what are recent extinction rates? 20 - 200 species per million years
what are projected extinction 250 - 1500 species per million years
rates?
how many marine species have ~133
gone
locally, regionally, or globally
extinct?
