The fossil record helps scientists identify a single species from which other organisms have descended. Which is used to refer to this single species?

air, water, heat and noise pollution can all be caused by producing and using technology. consuming resources - non-renewable resources, including precious metals like gold, are used to make technology

i don't know, but does anyone wanna be friends? i'm doing my homework at 1: 49 in the morning : /

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;