PCA Exam Questions With 100% Correct Answers 2024

PCA Exam Questions With 100% Correct Answers 2024 What are important considerations when describing a population? - answerage, distribution, birth rate A community of organisms includes - answerall the organisms that share a habitat which of the following would be considered a density-independent factor regulation population growth - answerextreme weather which of the following terms refers to dispersal of individuals into a population - answerimmigration an ecosystem is - answera community of interacting organisms and their physical environment the primary process by which energy becomes available to organisms in an ecosystem is - answerphotosynthesis the nonliving components of an ecosystem - answerabiotic compounds which of the following ecological concepts is illustrated in a food web - answermutualism what is a limiting factor - answera factor that is required for the growth and survival of an organism the mean population level around which a species characteristic abundance fluctuates is the species - answerequilibrium position many agricultural pest species such as foliar pathogens, aphids, mites and small seeded weeds are considered - answerr strategists how does the amount of biodiversity in an agroecosystem compare to that of a natural, more mature ecosystem - answerlower in an agroecosystem than a natural system the goal of pest eradication is generally - answerto eliminate newly invading pests secondary pests are pests that - answerbecome prevalent after control actions that have been taken to control key pests what is the relationship between a treatment threshold and an economic injury level - answeran economic injury level is always higher than the treatment threshold