Multiple ChoiceWhich type of ecological succession requires soil to be formed before plants can grow?602views
Multiple ChoiceIn most terrestrial ecosystems, which nutrients are most commonly limiting for plant growth?1views
Multiple ChoiceWhich plant is often used as a soil conditioner because it can improve soil fertility through nitrogen fixation?2views
Multiple ChoiceWhich of the following is not a nutrient that mycorrhizae help plants to obtain?474views
Multiple ChoiceIn the context of soil fertility, what is meant by a limiting nutrient for plant growth?3views
Multiple ChoiceWhich of the following is an example of an inorganic plant nutrient that plants commonly absorb from the soil as an ion?4views
Multiple ChoiceWhich soil horizon is typically richest in organic material and is most affected by climate variations?93views
Multiple ChoiceWhich of the following best describes the ability of soil to provide adequate nutrients to plants?81views