Made up from all of the organisms in an ecosystem that belong to the same species

Your answer is  d.)relationship between pressure and air volume and led to the understanding of how respiration works

My teacher was in one when she was in high school. these abusive lovers can ruin you. mentally and physically. my teacher got a black eye once. she wasn’t able to attend parties or even her moms birthday party all because her bday wanted her to himself.

What is the question for this problem