Its b. Ecosystem
Population is the number of a species in an area, it has nothing to do with physical characteristics.
Abiotic is just an adjective meaning not alive
Competition is just the interactions between organisms in the struggle for food, water, space, mates, and many other things again not physical characteristics
Answer:
The chemical bond energy of glucose is released as ATP and heat. This is the primary source of ATP for all aerobic organisms.
Mafic materials are usually dark in color and have relatively high specific gravities grater than 3.0 Felsic materials are usual at lighter in color and have specific gravities less than 3.0
Answer:
C. Because your body cannot accurately sense when your muscles are done working hard.
Explanation:
