Arks) 1. How do the levels stay balanced as a constant percentage? Explain in terms of gas exchange in photosynthesis and cellular respiration.

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

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.

answerpotassium hydroxide preparation;

treatment of fungal infections usually follows diagnosis confirmed by potassium hydroxide preparation or culture;