absorbing inorganic ions from the soil
protecting it from infection
helping it to utilize atmospheric nitrogen
serving as a growth regulator
Explanation
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mycorrhiza is a association btw a fungus and the root of a higher plant.
the fungi act as root hairs and in transfering inorganic nutrients or ions from soil to plant. The plant supplies the fungus with organic nutrient.
ref: modern biology, chapter 7(ecological management) page 142
so A is crrt
plss crt this

mycorrhzea is nor a fungi it exhibit symbiotic relationship with fungi by tapping inorganic nutrient into it so the answer is A

mycorrhizal fungi. These microbes can promote plant growth by regulating nutritional and hormonal balance, producing plant growth regulators, solubilizing nutrients and inducing resistance against plant pathogens

The mycorrhizae helps in the absorption of nutrients from the soil...so therefore the correct answer is A

please amend this answer... The correct answer to this question is Option A 




Here is an explanation:
Because dogfish are mainly present in marine or salt water habitats but tilapia is found in fresh water habitat
REF: Modern Biology, Aquatic Habitats


