Question 5Found in limited supply, both __________________ and ___________________ are elements needed for the growth and reproduction of primary producers because they are the building blocks of many critical biochemicals.1 pointoxygen; phosphorusnitrogen; amino acidscarbon; phosphorusnitrogen; phosphorus

Multiple Select QuestionSelect all that applyPhosphorus is an important matter of concern because Blank______.Multiple select question.most phosphorus in ecosystems comes from certain rocks and mineral sources that are in limited supplyphosphorus is abundant but useless to organismsatmospheric phosphorus is hard for plants to capturephosphorus can lead to environmental pollutionphosphorus is a key nutrient

Which quantity indicates the food produced by an organism after it uses some of it for itself?Group of answer choicesnet ecosystem primary productiongross primary productiontotal primary productiondaily primary productionnet primary production

Select all of the following that are primary producers.Multiple select question.abiotic components of ecosystemsautotrophsorganisms that consume other organisms to obtain organic moleculesorganisms that use sunlight to build organic moleculesplants

Which of the following is not provided to the soil by a chemical fertiliser?*1 pointNitrogenHumusPotassium(d) PhosphorusBackSubmitClear form

Select all that applyMost fertilizers are designed to add critical plant nutrients to soil such as Blank______.Multiple select question.potassiumfluorideironnitrogenphosphorus