Worms break down dead plants in the soil to release nutrients. Which property of nutrients shows that they are matter? A. Nutrients are warm. B. Nutrients have mass. C. Nutrients can do work. D. Nutrients contain energy.

What is the name for organisms such as maggots and worms that feed on dead matter? PredatorsConsumersProducersDetritivores2Why are nitrates important in living organisms? For fertilisationTo aid the process of decayTo make proteinsFor photosynthesis3One of the stages of the water cycle is percolation. What is this?Trickling of water through gaps in soils and rocksLoss of water vapour from plantsLoss of water from cloudsWarming of water on the Earth’s surface by the sun4Which of the following is the correct order for four key stages of the water cycle? Percolation, condensation, precipitation, evaporationEvaporation, condensation, precipitation, percolationEvaporation, precipitation, percolation, condensationPercolation, precipitation, condensation, evaporation5Which of the following processes that return carbon to the atmosphere is not a natural activity?DecompositionDecayCombustionRespiration6Which of the following remove carbon dioxide from the atmosphere?PlantsDecomposersDetritivoresAnimals

Soil fauna, such as bacteria, algae, and fungi, are important to soil health because they Blank______.Multiple choice question.release oxygen into the soil substrate for use by other soil faunadecompose and recycle leaf litter, releasing nutrients back into the soil for plant useare a crucial food source for insects and small predators

Most micronutrients go and resided in the soil when organisms die and decompose on land.Question 3Select one:TrueFalse

Soil may be compared to an open system as it exchanges both matter and energy with the surroundings. Choose the sequence which lists soil storages.Water, air, organic matter, organisms, nutrients and mineralsAir, water, nutrients and minerals, horizons, leaf litterPrecipitation, water, nutrients and minerals, parent material, plantsOrganisms, weathering, leaching, decomposition, water

Multiple Select QuestionSelect all that applyWhich of following roles do living organisms play in the development of healthy soil?Multiple select question.Microscopic organisms provide soil with structure and loose texture.Worms and nematodes create air spaces as they burrow through soil.Certain species of bacteria act as natural pesticides, helping to keep soil free of pests.Soil bacteria and algae recycle leaf litter and make nutrients available to plants.Bacteria, algae, and fungi release oxygen into the soil for use by other organisms.Need help? Review these concept resources.