The excretory system filters and deals with waste materials so that the body can maintain a stable internal environment called .

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere

What is the difference between a scientific hypotheses and a scientific theory?