hich of the following is most likely to cause the greatest increase in the corvina population?*2 puntosA decline in the algae populationAn increase in the population of anchoviesA decline in the population of blue fishA decline in crab population

How would an increasing shark population most likely affect this ecosystem? A. The algae population would decrease. B. The limpet population would decrease. C. The seagull population would decrease. D. The octopus population would decrease.

In a marsh ecosystem, alligators feed on blue crabs. Blue crabs feed on saltmeadow grass, shrimp, and detritus. What would most likely happen to the food web if there were a sudden decrease in the number of blue crabs?Group of answer choicesThe populations of shrimp and saltmeadow grass would remain the same while the population of alligators would increase.The population of shrimp and saltmeadow grass would decrease while the population of alligators would increase.The populations of shrimp and saltmeadow grass would increase while the population of alligators would decrease.None of the above

Which of the following is least likely to cause a species to become extinct due to changes in the environment?Group of answer choicesless genetic variation within the speciesspecific food preferencesmore competition for foodmore genetic variation within the species

Which two factors are most likely to cause a population to increase?A.Increased emigrationB.Increased birthsC.Increased deathsD.Increased immigration

Which of the following factors is most likely to decrease the stability of an ecosystem?*2 puntosAn increase in plant biodiversityAn increase in animal biodiversityThe removal of an individual animalRemoval of a species