Answer:
diffusion
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ).
Explanation:
Self sustaining, relying on other organisms for nourishment
Explanation:
Humans developed the first planned plant hybrids early in the 18th century, during this period of intense interest in botany and plant anatomy. Collecting plants became a popular pastime for the wealthy and well educated
Answer:
2)
Explanation:
plants use oxygen for photosynthesis.
humans breathe out carbon dioxide
The equation for photosynthesis states that the combination of carbon dioxide, water and light energy produces a carbohydrate (glucose) and oxygen. The chemical formula is 6CO2 + 6H2O + light energy = C6H12O6 + 6O2.
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