Answer:
They produce or process nutrients in the digestive tracts of humans and other animals.
Explanation:
Answer:
A group of cells make a tissue, a group of tissues make and organ, a group of organs make an organ system, and an organ system makes a organism.
Answer:
B.) These continents have become more industrialized.
Explanation:
These continents have become more industrialized. As they have become more industrialized, the economy grows and so does the need for energy.
Answer:
As light intensity increases (distance between lamp and plant decreases) the volume of oxygen (or the rate of bubble production) increases. This indicates that the rate of photosynthesis increases with light intensity. However, at sufficiently high levels of light intensity, the rate oxygen evolution remains constant.