Unit Test Population 30 Correctly Answered Questions Latest Update

Population X and Y live in the same area. The size of population X increases over time. As a direct result, the size of population Y decreases. Which is most likely the limiting factor of population Y? {Ans: Individuals of population X are predators.}Which organism is a tertiary consumer? {Ans: killer whale}Which process occurs at location W? {Ans: precipitation}Which statement is supported by the energy pyramid? {Ans: The ecosystem can support fewer foxes than grasshoppers.}Which is the best example of commensalism? {Ans: Barnacles ride on a gray whale's back to obtain food, and the whale is not harmed.}What is the source of energy in most ecosystems? {Ans: sunlight}Which best describes what is happening in the area marked X? {Ans: Water is carried to the leaves by xylem.}The substances that are present before any chemical reaction are called {Ans: reactants}Which represents the size of a population? {Ans: number of indivduals in a species}Which organism is a producer? {Ans: oak tree}Which belongs in the area marked X? {Ans: Glucose is broken down.}During one year, seven coyotes in a population die. Eight immigrate into the population, but none emigrate. If the overall