Circulatory system because, movement causes circulation and movement is only possible by our muscles.
D, because she wants to monitor the wildlife.
Answer:
Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism
Answer:
It's B.
Explanation:
An area's carrying capacity is not static. The carrying capacity may be lowered by resource destruction and degradation during an overshoot period or extended through technological and social changes.
Answer:
food and chemical reactions
