You will notice that a plant cell has a cell wall, whereas animal cells do not have a cell wall.
Answer: Chlorophyll is a substance inside the chloroplasts which is used to absorb light from the sun in order to provide the plant with energy to photosynthesise
Explanation:
Answer:
carbon dioxide is the product of photosynthesis
Answer:
Negative feedback.
Explanation:
The production of erythropoietin by the liver and kidneys is a negative feedback because with the production of erythropoietin, our body tends to move to become more stable state. The erythropoietin is produced by the liver and kidneys to increase the production of red blood cells if the quantity of red blood cells are lower than the normal range. If the number of red blood cells are decreases the oxygen level in our body is low that leads to unstable condition of the body but when the concentration of red blood cells increases, the body move towards stability.
One of the most abiotic factor that may affect humans directly is waster availability because with out water we can get dehydrated and die.