The nitrogen cycle. Which labels best complete the flow chart?
O X: Producers undergo photosynthesis.
Y: Nitrogen compounds are released into the air.
O X: Nitrogen compounds are released into the air.
Y: Producers undergo photosynthesis.
O X: Free nitrogen is in the atmosphere.
Y: Producers absorb nitrogen compounds through
their roots.
O X: Producers absorb nitrogen compounds through
their roots.
Y: Free nitrogen is in the atmosphere.
TS
T
S.

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.