Answer:
cells, growth, reproduction, adaptation, homeostasis, use of energy and response to the environment
160lbs also WHO IN THEIR RIGHT MIND WOULD ASK SUCH A QUESTION!?!?!?
<span>b. gravel on the bottom of the aquarium</span>
An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system. <span>
</span>
Biotic factors:
Plants
Microorganisms
Macroorganisms
B) left ventricle → left atrium → pulmonary artery