You forgot to add the answers but a non living factor that could contribute could be something like temperature.
Answer:
D
a buffer is an ionic compound that resists change in ph hence no ph change on addition of an acid proves the presence of a buffer which is different when distilled water is added because it is neutral hence no increase or decrease in ph
Their is no genetic diversity and all of the offspring will be the same and also if one parent has a deadly mutation, all of the offspring will get it.
Answer:
They are heterotrophs because their food is made by other organisms.
Explanation:
Unless the organism can create their food independently via photosynthesis or chemosynthesis, they must get their food from elswehere.
In the case of mushrooms, they are scavengers/decomposers, meaning they consume energy from once living organisms, thus classifying them as heterotrophs.
Have a nice day!